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1201212011102 = 261154917873557
BaseRepresentation
bin10001011110101101110…
…100001011001001011110
311020211112112022122122112
4101132231310023021132
5124140040233323402
62315455034114022
7152533103425055
oct21365564131136
94224475278575
101201212011102
11423481956a64
1217497757b912
138937372623c
14421d34a339c
15213a62e9e52
hex117add0b25e

1201212011102 has 32 divisors (see below), whose sum is σ = 1834079263200. Its totient is φ = 589882366080.

The previous prime is 1201212011047. The next prime is 1201212011119. The reversal of 1201212011102 is 2011102121021.

It is a super-2 number, since 2×12012120111022 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337701908 + ... + 337705464.

It is an arithmetic number, because the mean of its divisors is an integer number (57314976975).

Almost surely, 21201212011102 is an apocalyptic number.

1201212011102 is a deficient number, since it is larger than the sum of its proper divisors (632867252098).

1201212011102 is a wasteful number, since it uses less digits than its factorization.

1201212011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201212011102 its reverse (2011102121021), we get a palindrome (3212314132123).

The spelling of 1201212011102 in words is "one trillion, two hundred one billion, two hundred twelve million, eleven thousand, one hundred two".

Divisors: 1 2 61 122 1549 1787 3098 3557 3574 7114 94489 109007 188978 216977 218014 433954 2768063 5509793 5536126 6356359 11019586 12712718 168851843 336097373 337703686 387737899 672194746 775475798 9846000091 19692000182 600606005551 1201212011102