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1012012212 = 22384334351
BaseRepresentation
bin111100010100100…
…001010010110100
32121112021112202210
4330110201102310
54033033342322
6244230533420
734035650631
oct7424412264
92545245683
101012012212
1147a288832
12242b07270
131318848c3
1498597188
155dca570c
hex3c5214b4

1012012212 has 12 divisors (see below), whose sum is σ = 2361361856. Its totient is φ = 337337400.

The previous prime is 1012012201. The next prime is 1012012229. The reversal of 1012012212 is 2122102101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 84334351 = 1012012212 / (1 + 0 + 1 + 2 + 0 + 1 + 2 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42167164 + ... + 42167187.

Almost surely, 21012012212 is an apocalyptic number.

1012012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012012212 is an abundant number, since it is smaller than the sum of its proper divisors (1349349644).

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

1012012212 is a wasteful number, since it uses less digits than its factorization.

1012012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84334358 (or 84334356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1012012212 is about 31812.1393810602. The cubic root of 1012012212 is about 1003.9881442281.

Adding to 1012012212 its reverse (2122102101), we get a palindrome (3134114313).

The spelling of 1012012212 in words is "one billion, twelve million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 84334351 168668702 253003053 337337404 506006106 1012012212