263128924212 has 96 divisors (see below), whose sum is σ = 805753697280. Its totient is φ = 64748056320.

The previous prime is 263128924169. The next prime is 263128924237. The reversal of 263128924212 is 212429821362.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 7476433 + ... + 7511544.

It is an arithmetic number, because the mean of its divisors is an integer number (8393267680).

Almost surely, 2^263128924212 is an apocalyptic number.

263128924212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

263128924212 is an abundant number, since it is smaller than the sum of its proper divisors (542624773068).

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

263128924212 is a wasteful number, since it uses less digits than its factorization.

263128924212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14988021 (or 14988019 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The spelling of 263128924212 in words is "two hundred sixty-three billion, one hundred twenty-eight million, nine hundred twenty-four thousand, two hundred twelve".