126212772 has 48 divisors (see below), whose sum is σ = 345672320. Its totient is φ = 35085312.

The previous prime is 126212761. The next prime is 126212773. The reversal of 126212772 is 277212621.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (126212773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17197 + ... + 23412.

Almost surely, 2^126212772 is an apocalyptic number.

126212772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126212772 is an abundant number, since it is smaller than the sum of its proper divisors (219459548).

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

126212772 is a wasteful number, since it uses less digits than its factorization.

126212772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40660 (or 40658 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 126212772 is about 11234.4457807228. The cubic root of 126212772 is about 501.6118277724.

The spelling of 126212772 in words is "one hundred twenty-six million, two hundred twelve thousand, seven hundred seventy-two".