126212043795 has 32 divisors (see below), whose sum is σ = 211718029824. Its totient is φ = 64081248000.

The previous prime is 126212043791. The next prime is 126212043799. The reversal of 126212043795 is 597340212621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126212043791) and next prime (126212043799).

It is not a de Polignac number, because 126212043795 - 2² = 126212043791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126212043791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794106 + ... + 939695.

It is an arithmetic number, because the mean of its divisors is an integer number (6616188432).

Almost surely, 2^126212043795 is an apocalyptic number.

126212043795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126212043795 is a deficient number, since it is larger than the sum of its proper divisors (85505986029).

126212043795 is a wasteful number, since it uses less digits than its factorization.

126212043795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734043.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 126212043795 in words is "one hundred twenty-six billion, two hundred twelve million, forty-three thousand, seven hundred ninety-five".