126235220502 has 32 divisors (see below), whose sum is σ = 276539637600. Its totient is φ = 38237577728.

The previous prime is 126235220471. The next prime is 126235220537. The reversal of 126235220502 is 205022532621.

It is a super-2 number, since 2×126235220502² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126235220502.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21334977 + ... + 21340892.

It is an arithmetic number, because the mean of its divisors is an integer number (8641863675).

Almost surely, 2^126235220502 is an apocalyptic number.

126235220502 is an abundant number, since it is smaller than the sum of its proper divisors (150304417098).

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

126235220502 is a wasteful number, since it uses less digits than its factorization.

126235220502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42675920.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 126235220502 in words is "one hundred twenty-six billion, two hundred thirty-five million, two hundred twenty thousand, five hundred two".