120202123312 has 80 divisors (see below), whose sum is σ = 247697574912. Its totient is φ = 56312545280.

The previous prime is 120202123291. The next prime is 120202123337. The reversal of 120202123312 is 213321202021.

It is a self number, because there is not a number n which added to its sum of digits gives 120202123312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101779362 + ... + 101780542.

Almost surely, 2^120202123312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120202123312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123848787456).

120202123312 is an abundant number, since it is smaller than the sum of its proper divisors (127495451600).

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

120202123312 is a wasteful number, since it uses less digits than its factorization.

120202123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120202123312 its reverse (213321202021), we get a palindrome (333523325333).

The spelling of 120202123312 in words is "one hundred twenty billion, two hundred two million, one hundred twenty-three thousand, three hundred twelve".