30211302312120 has 32 divisors (see below), whose sum is σ = 90633906936720. Its totient is φ = 8056347283200.

The previous prime is 30211302312071. The next prime is 30211302312127. The reversal of 30211302312120 is 2121320311203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211302312127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125880426181 + ... + 125880426420.

Almost surely, 2^{30211302312120} is an apocalyptic number.

30211302312120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30211302312120 is an abundant number, since it is smaller than the sum of its proper divisors (60422604624600).

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

30211302312120 is a wasteful number, since it uses less digits than its factorization.

30211302312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251760852615 (or 251760852611 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30211302312120 its reverse (2121320311203), we get a palindrome (32332622623323).

The spelling of 30211302312120 in words is "thirty trillion, two hundred eleven billion, three hundred two million, three hundred twelve thousand, one hundred twenty".