30311132212212 has 48 divisors (see below), whose sum is σ = 71127323135232. Its totient is φ = 10046391949440.

The previous prime is 30311132212211. The next prime is 30311132212241. The reversal of 30311132212212 is 21221223111303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311132212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13587733 + ... + 15660419.

It is an arithmetic number, because the mean of its divisors is an integer number (1481819231984).

Almost surely, 2^{30311132212212} is an apocalyptic number.

It is an amenable number.

30311132212212 is an abundant number, since it is smaller than the sum of its proper divisors (40816190923020).

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

30311132212212 is a wasteful number, since it uses less digits than its factorization.

30311132212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079608 (or 2079606 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 30311132212212 its reverse (21221223111303), we get a palindrome (51532355323515).

The spelling of 30311132212212 in words is "thirty trillion, three hundred eleven billion, one hundred thirty-two million, two hundred twelve thousand, two hundred twelve".