126212293128 has 16 divisors (see below), whose sum is σ = 315530732880. Its totient is φ = 42070764368.

The previous prime is 126212293121. The next prime is 126212293177. The reversal of 126212293128 is 821392212621.

It is not an unprimeable number, because it can be changed into a prime (126212293121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2629422750 + ... + 2629422797.

It is an arithmetic number, because the mean of its divisors is an integer number (19720670805).

Almost surely, 2^126212293128 is an apocalyptic number.

It is an amenable number.

126212293128 is an abundant number, since it is smaller than the sum of its proper divisors (189318439752).

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

126212293128 is a wasteful number, since it uses less digits than its factorization.

126212293128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258845556 (or 5258845552 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The spelling of 126212293128 in words is "one hundred twenty-six billion, two hundred twelve million, two hundred ninety-three thousand, one hundred twenty-eight".