126572120000 has 70 divisors (see below), whose sum is σ = 313857820848. Its totient is φ = 50628832000.

The previous prime is 126572119981. The next prime is 126572120009. The reversal of 126572120000 is 21275621.

It is a super-2 number, since 2×126572120000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126572120009) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 1542152 + ... + 1622151.

Almost surely, 2^126572120000 is an apocalyptic number.

126572120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126572120000 is an abundant number, since it is smaller than the sum of its proper divisors (187285700848).

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

126572120000 is an frugal number, since it uses more digits than its factorization.

126572120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164335 (or 3164310 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 126572120000 its reverse (21275621), we get a palindrome (126593395621).

The spelling of 126572120000 in words is "one hundred twenty-six billion, five hundred seventy-two million, one hundred twenty thousand".