126821683702 has 16 divisors (see below), whose sum is σ = 228851159040. Its totient is φ = 51491510568.

The previous prime is 126821683699. The next prime is 126821683733. The reversal of 126821683702 is 207386128621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238386358 + ... + 238386889.

It is an arithmetic number, because the mean of its divisors is an integer number (14303197440).

Almost surely, 2^126821683702 is an apocalyptic number.

126821683702 is a deficient number, since it is larger than the sum of its proper divisors (102029475338).

126821683702 is a wasteful number, since it uses less digits than its factorization.

126821683702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476773275.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 126821683702 in words is "one hundred twenty-six billion, eight hundred twenty-one million, six hundred eighty-three thousand, seven hundred two".