126965222901 has 32 divisors (see below), whose sum is σ = 207188567040. Its totient is φ = 76201527600.

The previous prime is 126965222899. The next prime is 126965222903. The reversal of 126965222901 is 109222569621.

126965222901 is a `hidden beast` number, since 12 + 6 + 96 + 522 + 29 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (126965222899) and next prime (126965222903).

It is not a de Polignac number, because 126965222901 - 2¹ = 126965222899 is a prime.

It is a super-2 number, since 2×126965222901² (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 (126965222903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2044615 + ... + 2105796.

It is an arithmetic number, because the mean of its divisors is an integer number (6474642720).

Almost surely, 2^126965222901 is an apocalyptic number.

126965222901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126965222901 is a deficient number, since it is larger than the sum of its proper divisors (80223344139).

126965222901 is a wasteful number, since it uses less digits than its factorization.

126965222901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150534 (or 4150528 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

It can be divided in two parts, 126965 and 222901, that added together give a triangular number (349866 = T₈₃₆).

The spelling of 126965222901 in words is "one hundred twenty-six billion, nine hundred sixty-five million, two hundred twenty-two thousand, nine hundred one".