126331133052 has 48 divisors (see below), whose sum is σ = 303953005440. Its totient is φ = 40818043968.

The previous prime is 126331133021. The next prime is 126331133059. The reversal of 126331133052 is 250331133621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126331133059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143802 + ... + 1249377.

It is an arithmetic number, because the mean of its divisors is an integer number (6332354280).

Almost surely, 2^126331133052 is an apocalyptic number.

126331133052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126331133052 is an abundant number, since it is smaller than the sum of its proper divisors (177621872388).

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

126331133052 is a wasteful number, since it uses less digits than its factorization.

126331133052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393322 (or 2393320 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 126331133052 its reverse (250331133621), we get a palindrome (376662266673).

The spelling of 126331133052 in words is "one hundred twenty-six billion, three hundred thirty-one million, one hundred thirty-three thousand, fifty-two".