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1220102100212 = 2223927110134649
BaseRepresentation
bin10001110000010011110…
…000001001010011110100
311022122022000100121101112
4101300103300021103310
5124442232114201322
62332301314214152
7154102160510132
oct21602360112364
94278260317345
101220102100212
11430495911556
12178569884358
138b094190068
14430a61ca752
1521b0e8c35e2
hex11c13c094f4

1220102100212 has 48 divisors (see below), whose sum is σ = 2154612096000. Its totient is φ = 604529291520.

The previous prime is 1220102100193. The next prime is 1220102100241. The reversal of 1220102100212 is 2120012010221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262441664 + ... + 262446312.

It is an arithmetic number, because the mean of its divisors is an integer number (44887752000).

Almost surely, 21220102100212 is an apocalyptic number.

It is an amenable number.

1220102100212 is a deficient number, since it is larger than the sum of its proper divisors (934509995788).

1220102100212 is a wasteful number, since it uses less digits than its factorization.

1220102100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176 (or 6174 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220102100212 its reverse (2120012010221), we get a palindrome (3340114110433).

It can be divided in two parts, 122010 and 2100212, that added together give a palindrome (2222222).

The spelling of 1220102100212 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred thousand, two hundred twelve".

Divisors: 1 2 4 239 271 478 542 956 1013 1084 2026 4052 4649 9298 18596 64769 129538 242107 259076 274523 484214 549046 968428 1098092 1111111 1259879 2222222 2519758 4444444 4709437 5039516 9418874 18837748 65610997 131221994 262443988 301111081 602222162 1125555443 1204444324 1276257427 2251110886 2552514854 4502221772 5105029708 305025525053 610051050106 1220102100212