30909221019192 has 64 divisors (see below), whose sum is σ = 77472817418880. Its totient is φ = 10276453579392.

The previous prime is 30909221019191. The next prime is 30909221019221. The reversal of 30909221019192 is 29191012290903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30909221019191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32134398 + ... + 33082290.

It is an arithmetic number, because the mean of its divisors is an integer number (1210512772170).

Almost surely, 2^{30909221019192} is an apocalyptic number.

It is an amenable number.

30909221019192 is an abundant number, since it is smaller than the sum of its proper divisors (46563596399688).

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

30909221019192 is a wasteful number, since it uses less digits than its factorization.

30909221019192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951412 (or 951408 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 48.

It can be divided in two parts, 3090922 and 1019192, that added together give a palindrome (4110114).

The spelling of 30909221019192 in words is "thirty trillion, nine hundred nine billion, two hundred twenty-one million, nineteen thousand, one hundred ninety-two".