30125642881290 has 32 divisors (see below), whose sum is σ = 78874410453696. Its totient is φ = 7303186152960.

The previous prime is 30125642881259. The next prime is 30125642881319. The reversal of 30125642881290 is 9218824652103.

It is a super-2 number, since 2×30125642881290² (a number of 28 digits) contains 22 as substring.

It is a Curzon 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, 45644913127 + ... + 45644913786.

It is an arithmetic number, because the mean of its divisors is an integer number (2464825326678).

Almost surely, 2^{30125642881290} is an apocalyptic number.

30125642881290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30125642881290 is an abundant number, since it is smaller than the sum of its proper divisors (48748767572406).

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

30125642881290 is a wasteful number, since it uses less digits than its factorization.

30125642881290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91289826934.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 30125642881290 in words is "thirty trillion, one hundred twenty-five billion, six hundred forty-two million, eight hundred eighty-one thousand, two hundred ninety".