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123122120102 = 22931072919583
BaseRepresentation
bin111001010101010100…
…1100111010110100110
3102202210120222202010022
41302222221213112212
54004123230320402
6132321142155142
711616036516242
oct1625251472646
9382716882108
10123122120102
1148241255173
121ba41422ab2
13b7c1c88807
145d5dc5b422
15330911d2a2
hex1caaa675a6

123122120102 has 16 divisors (see below), whose sum is σ = 185340234240. Its totient is φ = 61342103232.

The previous prime is 123122120089. The next prime is 123122120113. The reversal of 123122120102 is 201021221321.

It is a super-2 number, since 2×1231221201022 (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 6277403 + ... + 6296985.

It is an arithmetic number, because the mean of its divisors is an integer number (11583764640).

Almost surely, 2123122120102 is an apocalyptic number.

123122120102 is a deficient number, since it is larger than the sum of its proper divisors (62218114138).

123122120102 is a wasteful number, since it uses less digits than its factorization.

123122120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30607.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123122120102 its reverse (201021221321), we get a palindrome (324143341423).

The spelling of 123122120102 in words is "one hundred twenty-three billion, one hundred twenty-two million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 293 586 10729 19583 21458 39166 3143597 5737819 6287194 11475638 210106007 420212014 61561060051 123122120102