123002120012 has 12 divisors (see below), whose sum is σ = 216369015576. Its totient is φ = 61182401280.

The previous prime is 123002119997. The next prime is 123002120039. The reversal of 123002120012 is 210021200321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79663814 + ... + 79665357.

It is an arithmetic number, because the mean of its divisors is an integer number (18030751298).

Almost surely, 2^123002120012 is an apocalyptic number.

It is an amenable number.

123002120012 is a deficient number, since it is larger than the sum of its proper divisors (93366895564).

123002120012 is a wasteful number, since it uses less digits than its factorization.

123002120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159329368 (or 159329366 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 123002120012 its reverse (210021200321), we get a palindrome (333023320333).

It can be divided in two parts, 12300 and 2120012, that added together give a palindrome (2132312).

The spelling of 123002120012 in words is "one hundred twenty-three billion, two million, one hundred twenty thousand, twelve".