30122020012 has 24 divisors (see below), whose sum is σ = 62863347456. Its totient is φ = 12348157008.

The previous prime is 30122020009. The next prime is 30122020031. The reversal of 30122020012 is 21002022103.

It is a junction number, because it is equal to n+sod(n) for n = 30122019974 and 30122020001.

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, 23386018 + ... + 23387305.

It is an arithmetic number, because the mean of its divisors is an integer number (2619306144).

Almost surely, 2^30122020012 is an apocalyptic number.

It is an amenable number.

30122020012 is an abundant number, since it is smaller than the sum of its proper divisors (32741327444).

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

30122020012 is a wasteful number, since it uses less digits than its factorization.

30122020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46773357 (or 46773355 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30122020012 its reverse (21002022103), we get a palindrome (51124042115).

The spelling of 30122020012 in words is "thirty billion, one hundred twenty-two million, twenty thousand, twelve".