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1220012012102 = 213447291049063
BaseRepresentation
bin10001110000001110011…
…000011111001001000110
311022122001201211122201212
4101300032120133021012
5124442041033341402
62332244335251422
7154100014666442
oct21601630371106
94278051748655
101220012012102
11430449a7aa74
12178543679b72
138b07b609ca0
1443098259822
1521b06a2a952
hex11c0e61f246

1220012012102 has 16 divisors (see below), whose sum is σ = 1970834574240. Its totient is φ = 563069341632.

The previous prime is 1220012012101. The next prime is 1220012012179. The reversal of 1220012012102 is 2012102100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220012012101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638423 + ... + 1687485.

It is an arithmetic number, because the mean of its divisors is an integer number (123177160890).

Almost surely, 21220012012102 is an apocalyptic number.

1220012012102 is a deficient number, since it is larger than the sum of its proper divisors (750822562138).

1220012012102 is a wasteful number, since it uses less digits than its factorization.

1220012012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093807.

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

Adding to 1220012012102 its reverse (2012102100221), we get a palindrome (3232114112323).

The spelling of 1220012012102 in words is "one trillion, two hundred twenty billion, twelve million, twelve thousand, one hundred two".

Divisors: 1 2 13 26 44729 89458 581477 1049063 1162954 2098126 13637819 27275638 46923538927 93847077854 610006006051 1220012012102