126959267712 has 64 divisors (see below), whose sum is σ = 339255100800. Its totient is φ = 42066322944.

The previous prime is 126959267711. The next prime is 126959267777. The reversal of 126959267712 is 217762959621.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×126959267712² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126959267711) 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, 925762 + ... + 1054017.

It is an arithmetic number, because the mean of its divisors is an integer number (5300860950).

Almost surely, 2^126959267712 is an apocalyptic number.

126959267712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126959267712 is an abundant number, since it is smaller than the sum of its proper divisors (212295833088).

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

126959267712 is a wasteful number, since it uses less digits than its factorization.

126959267712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979963 (or 1979951 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The spelling of 126959267712 in words is "one hundred twenty-six billion, nine hundred fifty-nine million, two hundred sixty-seven thousand, seven hundred twelve".