30210020012 has 36 divisors (see below), whose sum is σ = 54918109680. Its totient is φ = 14523715584.

The previous prime is 30210019991. The next prime is 30210020021. The reversal of 30210020012 is 21002001203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30210019975 and 30210020002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7659713 + ... + 7663655.

Almost surely, 2^30210020012 is an apocalyptic number.

It is an amenable number.

30210020012 is a deficient number, since it is larger than the sum of its proper divisors (24708089668).

30210020012 is a wasteful number, since it uses less digits than its factorization.

30210020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 30210020012 its reverse (21002001203), we get a palindrome (51212021215).

The spelling of 30210020012 in words is "thirty billion, two hundred ten million, twenty thousand, twelve".