30212212113231 has 4 divisors (see below), whose sum is σ = 40282949484312. Its totient is φ = 20141474742152.

The previous prime is 30212212113217. The next prime is 30212212113233. The reversal of 30212212113231 is 13231121221203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30212212113231 is a prime.

It is a super-2 number, since 2×30212212113231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212212113233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5035368685536 + ... + 5035368685541.

It is an arithmetic number, because the mean of its divisors is an integer number (10070737371078).

Almost surely, 2^{30212212113231} is an apocalyptic number.

30212212113231 is a deficient number, since it is larger than the sum of its proper divisors (10070737371081).

30212212113231 is a wasteful number, since it uses less digits than its factorization.

30212212113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10070737371080.

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

Adding to 30212212113231 its reverse (13231121221203), we get a palindrome (43443333334434).

The spelling of 30212212113231 in words is "thirty trillion, two hundred twelve billion, two hundred twelve million, one hundred thirteen thousand, two hundred thirty-one".