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1002220000212 = 2231912791156671
BaseRepresentation
bin11101001010110001111…
…01111001001111010100
310112210220102202010021010
432211120331321033110
5112410021310001322
62044225152452220
7132256642304604
oct16453075711724
93483812663233
101002220000212
11357048075a12
121422a154a070
13736801b0732
143671720cc04
151b10b5d420c
hexe958f793d4

1002220000212 has 48 divisors (see below), whose sum is σ = 2351614132224. Its totient is φ = 332203068000.

The previous prime is 1002220000211. The next prime is 1002220000217. The reversal of 1002220000212 is 2120000222001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002220000211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6318637 + ... + 6475307.

It is an arithmetic number, because the mean of its divisors is an integer number (48991961088).

Almost surely, 21002220000212 is an apocalyptic number.

1002220000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002220000212 is an abundant number, since it is smaller than the sum of its proper divisors (1349394132012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002220000212 is a wasteful number, since it uses less digits than its factorization.

1002220000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159660 (or 159658 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1002220000212 its reverse (2120000222001), we get a palindrome (3122220222213).

The spelling of 1002220000212 in words is "one trillion, two billion, two hundred twenty million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 191 382 573 764 1146 2292 2791 5582 8373 11164 16746 33492 156671 313342 470013 533081 626684 940026 1066162 1599243 1880052 2132324 3198486 6396972 29924161 59848322 89772483 119696644 179544966 359089932 437268761 874537522 1311806283 1749075044 2623612566 5247225132 83518333351 167036666702 250555000053 334073333404 501110000106 1002220000212