126677520912 has 160 divisors (see below), whose sum is σ = 342304341120. Its totient is φ = 40330301440.

The previous prime is 126677520901. The next prime is 126677520913. The reversal of 126677520912 is 219025776621.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (126677520913) by changing a digit.

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, 61225414 + ... + 61227482.

It is an arithmetic number, because the mean of its divisors is an integer number (2139402132).

Almost surely, 2^126677520912 is an apocalyptic number.

126677520912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126677520912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171152170560).

126677520912 is an abundant number, since it is smaller than the sum of its proper divisors (215626820208).

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

126677520912 is a wasteful number, since it uses less digits than its factorization.

126677520912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 126677520912 in words is "one hundred twenty-six billion, six hundred seventy-seven million, five hundred twenty thousand, nine hundred twelve".