30212400402 has 48 divisors (see below), whose sum is σ = 65772907200. Its totient is φ = 10022796000.

The previous prime is 30212400373. The next prime is 30212400473. The reversal of 30212400402 is 20400421203.

30212400402 is a `hidden beast` number, since 3 + 0 + 21 + 240 + 0 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3920349 + ... + 3928047.

It is an arithmetic number, because the mean of its divisors is an integer number (1370268900).

Almost surely, 2^30212400402 is an apocalyptic number.

30212400402 is an abundant number, since it is smaller than the sum of its proper divisors (35560506798).

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

30212400402 is a wasteful number, since it uses less digits than its factorization.

30212400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719 (or 8716 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 30212400402 its reverse (20400421203), we get a palindrome (50612821605).

The spelling of 30212400402 in words is "thirty billion, two hundred twelve million, four hundred thousand, four hundred two".