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12120102102 = 234194821043
BaseRepresentation
bin10110100100110101…
…00001010011010110
31011021200002222110110
423102122201103112
5144310221231402
65322355503450
7606230111433
oct132232412326
934250088413
1012120102102
11515a533109
122422bb7b86
1311b1cc6064
1482d962b8a
154ae09656c
hex2d26a14d6

12120102102 has 16 divisors (see below), whose sum is σ = 24298061760. Its totient is φ = 4030391112.

The previous prime is 12120102101. The next prime is 12120102131. The reversal of 12120102102 is 20120102121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120102101) 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, 2408008 + ... + 2413035.

It is an arithmetic number, because the mean of its divisors is an integer number (1518628860).

Almost surely, 212120102102 is an apocalyptic number.

12120102102 is an abundant number, since it is smaller than the sum of its proper divisors (12177959658).

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

12120102102 is a wasteful number, since it uses less digits than its factorization.

12120102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821467.

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

Adding to 12120102102 its reverse (20120102121), we get a palindrome (32240204223).

The spelling of 12120102102 in words is "twelve billion, one hundred twenty million, one hundred two thousand, one hundred two".

Divisors: 1 2 3 6 419 838 1257 2514 4821043 9642086 14463129 28926258 2020017017 4040034034 6060051051 12120102102