30402423212 has 48 divisors (see below), whose sum is σ = 64440774720. Its totient is φ = 12251891712.

The previous prime is 30402423211. The next prime is 30402423251. The reversal of 30402423212 is 21232420403.

It is not an unprimeable number, because it can be changed into a prime (30402423211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499088 + ... + 556680.

It is an arithmetic number, because the mean of its divisors is an integer number (1342516140).

Almost surely, 2^30402423212 is an apocalyptic number.

It is an amenable number.

30402423212 is an abundant number, since it is smaller than the sum of its proper divisors (34038351508).

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

30402423212 is a wasteful number, since it uses less digits than its factorization.

30402423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58730 (or 58728 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30402423212 its reverse (21232420403), we get a palindrome (51634843615).

The spelling of 30402423212 in words is "thirty billion, four hundred two million, four hundred twenty-three thousand, two hundred twelve".