30719381877212 has 48 divisors (see below), whose sum is σ = 61642804005888. Its totient is φ = 13121740255680.

The previous prime is 30719381877209. The next prime is 30719381877227. The reversal of 30719381877212 is 21277818391703.

It is a super-2 number, since 2×30719381877212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53779613 + ... + 54347819.

It is an arithmetic number, because the mean of its divisors is an integer number (1284225083456).

Almost surely, 2^{30719381877212} is an apocalyptic number.

It is an amenable number.

30719381877212 is an abundant number, since it is smaller than the sum of its proper divisors (30923422128676).

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

30719381877212 is a wasteful number, since it uses less digits than its factorization.

30719381877212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574626 (or 574624 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 59.

The spelling of 30719381877212 in words is "thirty trillion, seven hundred nineteen billion, three hundred eighty-one million, eight hundred seventy-seven thousand, two hundred twelve".