31200301032012 has 216 divisors, whose sum is σ = 96850702952640. Its totient is φ = 8420853389760.

The previous prime is 31200301032001. The next prime is 31200301032071. The reversal of 31200301032012 is 21023010300213.

31200301032012 is a `hidden beast` number, since 31 + 2 + 0 + 0 + 301 + 0 + 320 + 12 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10288687 + ... + 12971417.

It is an arithmetic number, because the mean of its divisors is an integer number (448382884040).

Almost surely, 2^{31200301032012} 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 31200301032012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48425351476320).

31200301032012 is an abundant number, since it is smaller than the sum of its proper divisors (65650401920628).

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

31200301032012 is a wasteful number, since it uses less digits than its factorization.

31200301032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683121 (or 2683109 counting only the distinct ones).

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

Adding to 31200301032012 its reverse (21023010300213), we get a palindrome (52223311332225).

The spelling of 31200301032012 in words is "thirty-one trillion, two hundred billion, three hundred one million, thirty-two thousand, twelve".