126446664212 has 48 divisors (see below), whose sum is σ = 249245767680. Its totient is φ = 55608184800.

The previous prime is 126446664203. The next prime is 126446664217. The reversal of 126446664212 is 212466644621.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126446664217) 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, 7382963 + ... + 7400069.

It is an arithmetic number, because the mean of its divisors is an integer number (5192620160).

Almost surely, 2^126446664212 is an apocalyptic number.

It is an amenable number.

126446664212 is a deficient number, since it is larger than the sum of its proper divisors (122799103468).

126446664212 is a wasteful number, since it uses less digits than its factorization.

126446664212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22572 (or 22570 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The spelling of 126446664212 in words is "one hundred twenty-six billion, four hundred forty-six million, six hundred sixty-four thousand, two hundred twelve".