126380012630 has 32 divisors (see below), whose sum is σ = 249171150240. Its totient is φ = 45937722880.

The previous prime is 126380012617. The next prime is 126380012639. The reversal of 126380012630 is 36210083621.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126380012639) 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, 12812516 + ... + 12822375.

It is an arithmetic number, because the mean of its divisors is an integer number (7786598445).

Almost surely, 2^126380012630 is an apocalyptic number.

126380012630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126380012630 is a deficient number, since it is larger than the sum of its proper divisors (122791137610).

126380012630 is a wasteful number, since it uses less digits than its factorization.

126380012630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25634944.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 126380012630 in words is "one hundred twenty-six billion, three hundred eighty million, twelve thousand, six hundred thirty".