126546025212 has 36 divisors (see below), whose sum is σ = 338696716176. Its totient is φ = 39700713600.

The previous prime is 126546025163. The next prime is 126546025213. The reversal of 126546025212 is 212520645621.

126546025212 is a `hidden beast` number, since 1 + 26 + 5 + 4 + 602 + 5 + 21 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×126546025212² (a number of 23 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 not an unprimeable number, because it can be changed into a prime (126546025213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103386664 + ... + 103387887.

It is an arithmetic number, because the mean of its divisors is an integer number (9408242116).

Almost surely, 2^126546025212 is an apocalyptic number.

126546025212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126546025212 is an abundant number, since it is smaller than the sum of its proper divisors (212150690964).

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

126546025212 is a wasteful number, since it uses less digits than its factorization.

126546025212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206774578 (or 206774573 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 126546025212 in words is "one hundred twenty-six billion, five hundred forty-six million, twenty-five thousand, two hundred twelve".