20212908128952 has 192 divisors, whose sum is σ = 65194193487360. Its totient is φ = 5108211060480.

The previous prime is 20212908128891. The next prime is 20212908129017. The reversal of 20212908128952 is 25982180921202.

It is a junction number, because it is equal to n+sod(n) for n = 20212908128895 and 20212908128904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12684868 + ... + 14189139.

It is an arithmetic number, because the mean of its divisors is an integer number (339553091080).

Almost surely, 2^{20212908128952} is an apocalyptic number.

20212908128952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20212908128952 is an abundant number, since it is smaller than the sum of its proper divisors (44981285358408).

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

20212908128952 is a wasteful number, since it uses less digits than its factorization.

20212908128952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26874082 (or 26874067 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 20212908128952 in words is "twenty trillion, two hundred twelve billion, nine hundred eight million, one hundred twenty-eight thousand, nine hundred fifty-two".