126493340981172 has 24 divisors (see below), whose sum is σ = 321983049770592. Its totient is φ = 38331315448800.

The previous prime is 126493340981113. The next prime is 126493340981179. The reversal of 126493340981172 is 271189043394621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126493340981179) 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, 479141442979 + ... + 479141443242.

It is an arithmetic number, because the mean of its divisors is an integer number (13415960407108).

Almost surely, 2^{126493340981172} is an apocalyptic number.

126493340981172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126493340981172 is an abundant number, since it is smaller than the sum of its proper divisors (195489708789420).

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

126493340981172 is a wasteful number, since it uses less digits than its factorization.

126493340981172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958282886239 (or 958282886237 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 126493340981172 in words is "one hundred twenty-six trillion, four hundred ninety-three billion, three hundred forty million, nine hundred eighty-one thousand, one hundred seventy-two".