401251130552412 has 144 divisors (see below), whose sum is σ = 1159999798444032. Its totient is φ = 114561135233280.

The previous prime is 401251130552407. The next prime is 401251130552449. The reversal of 401251130552412 is 214255031152104.

401251130552412 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 5 + 113 + 0 + 5 + 524 + 12 = 666.

It is a super-2 number, since 2×401251130552412² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1999446837 + ... + 1999647507.

Almost surely, 2^{401251130552412} is an apocalyptic number.

401251130552412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401251130552412 is an abundant number, since it is smaller than the sum of its proper divisors (758748667891620).

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

401251130552412 is a wasteful number, since it uses less digits than its factorization.

401251130552412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206328 (or 206323 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 401251130552412 in words is "four hundred one trillion, two hundred fifty-one billion, one hundred thirty million, five hundred fifty-two thousand, four hundred twelve".