126261479312 has 40 divisors (see below), whose sum is σ = 247173331680. Its totient is φ = 62476520960.

The previous prime is 126261479303. The next prime is 126261479317. The reversal of 126261479312 is 213974162621.

It is a super-2 number, since 2×126261479312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126261479317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138487 + ... + 1244457.

It is an arithmetic number, because the mean of its divisors is an integer number (6179333292).

Almost surely, 2^126261479312 is an apocalyptic number.

It is an amenable number.

126261479312 is a deficient number, since it is larger than the sum of its proper divisors (120911852368).

126261479312 is a wasteful number, since it uses less digits than its factorization.

126261479312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106751 (or 106745 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The spelling of 126261479312 in words is "one hundred twenty-six billion, two hundred sixty-one million, four hundred seventy-nine thousand, three hundred twelve".