30212400432 has 20 divisors (see below), whose sum is σ = 78048701240. Its totient is φ = 10070800128.

The previous prime is 30212400373. The next prime is 30212400473. The reversal of 30212400432 is 23400421203.

It is a junction number, because it is equal to n+sod(n) for n = 30212400399 and 30212400408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314712457 + ... + 314712552.

It is an arithmetic number, because the mean of its divisors is an integer number (3902435062).

Almost surely, 2^30212400432 is an apocalyptic number.

It is an amenable number.

30212400432 is an abundant number, since it is smaller than the sum of its proper divisors (47836300808).

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

30212400432 is a wasteful number, since it uses less digits than its factorization.

30212400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629425020 (or 629425014 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30212400432 its reverse (23400421203), we get a palindrome (53612821635).

The spelling of 30212400432 in words is "thirty billion, two hundred twelve million, four hundred thousand, four hundred thirty-two".