30801915420912 has 140 divisors (see below), whose sum is σ = 89668750509000. Its totient is φ = 10245317664384.

The previous prime is 30801915420901. The next prime is 30801915420923. The reversal of 30801915420912 is 21902451910803.

30801915420912 is a `hidden beast` number, since 3 + 0 + 8 + 0 + 1 + 91 + 542 + 0 + 9 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (30801915420901) and next prime (30801915420923).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2619714 + ... + 8274462.

Almost surely, 2^{30801915420912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30801915420912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44834375254500).

30801915420912 is an abundant number, since it is smaller than the sum of its proper divisors (58866835088088).

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

30801915420912 is an equidigital number, since it uses as much as digits as its factorization.

30801915420912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655242 (or 5655221 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 30801915420912 in words is "thirty trillion, eight hundred one billion, nine hundred fifteen million, four hundred twenty thousand, nine hundred twelve".