126640143412 has 12 divisors (see below), whose sum is σ = 223312009536. Its totient is φ = 62836712120.

The previous prime is 126640143391. The next prime is 126640143419. The reversal of 126640143412 is 214341046621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126640143419) 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, 120839308 + ... + 120840355.

It is an arithmetic number, because the mean of its divisors is an integer number (18609334128).

Almost surely, 2^126640143412 is an apocalyptic number.

It is an amenable number.

126640143412 is a deficient number, since it is larger than the sum of its proper divisors (96671866124).

126640143412 is a wasteful number, since it uses less digits than its factorization.

126640143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241679798 (or 241679796 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 126640143412 in words is "one hundred twenty-six billion, six hundred forty million, one hundred forty-three thousand, four hundred twelve".