123102033012 has 72 divisors (see below), whose sum is σ = 371260115520. Its totient is φ = 35172007920.

The previous prime is 123102032993. The next prime is 123102033029. The reversal of 123102033012 is 210330201321.

123102033012 is a `hidden beast` number, since 1 + 2 + 310 + 20 + 330 + 1 + 2 = 666.

It is a super-2 number, since 2×123102033012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11625664 + ... + 11636247.

Almost surely, 2^123102033012 is an apocalyptic number.

123102033012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123102033012 is an abundant number, since it is smaller than the sum of its proper divisors (248158082508).

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

123102033012 is a wasteful number, since it uses less digits than its factorization.

123102033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23261938 (or 23261923 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123102033012 its reverse (210330201321), we get a palindrome (333432234333).

The spelling of 123102033012 in words is "one hundred twenty-three billion, one hundred two million, thirty-three thousand, twelve".