123101001210 has 64 divisors (see below), whose sum is σ = 323439920640. Its totient is φ = 29737193280.

The previous prime is 123101001181. The next prime is 123101001313. The reversal of 123101001210 is 12100101321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565680 + ... + 752459.

It is an arithmetic number, because the mean of its divisors is an integer number (5053748760).

Almost surely, 2^123101001210 is an apocalyptic number.

123101001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123101001210 is an abundant number, since it is smaller than the sum of its proper divisors (200338919430).

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

123101001210 is a wasteful number, since it uses less digits than its factorization.

123101001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318443.

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

Adding to 123101001210 its reverse (12100101321), we get a palindrome (135201102531).

The spelling of 123101001210 in words is "one hundred twenty-three billion, one hundred one million, one thousand, two hundred ten".