123402101012 has 24 divisors (see below), whose sum is σ = 216611673600. Its totient is φ = 61513299936.

The previous prime is 123402100973. The next prime is 123402101021. The reversal of 123402101012 is 210101204321.

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, 2006414 + ... + 2067002.

It is an arithmetic number, because the mean of its divisors is an integer number (9025486400).

Almost surely, 2^123402101012 is an apocalyptic number.

It is an amenable number.

123402101012 is a deficient number, since it is larger than the sum of its proper divisors (93209572588).

123402101012 is a wasteful number, since it uses less digits than its factorization.

123402101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62135 (or 62133 counting only the distinct ones).

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

Adding to 123402101012 its reverse (210101204321), we get a palindrome (333503305333).

The spelling of 123402101012 in words is "one hundred twenty-three billion, four hundred two million, one hundred one thousand, twelve".