30212011312 has 40 divisors (see below), whose sum is σ = 70833207456. Its totient is φ = 12186356736.

The previous prime is 30212011229. The next prime is 30212011393. The reversal of 30212011312 is 21311021203.

It is a super-2 number, since 2×30212011312² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7931923 + ... + 7935730.

Almost surely, 2^30212011312 is an apocalyptic number.

It is an amenable number.

30212011312 is an abundant number, since it is smaller than the sum of its proper divisors (40621196144).

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

30212011312 is a wasteful number, since it uses less digits than its factorization.

30212011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15867685 (or 15867679 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30212011312 its reverse (21311021203), we get a palindrome (51523032515).

The spelling of 30212011312 in words is "thirty billion, two hundred twelve million, eleven thousand, three hundred twelve".