126065690992 has 80 divisors (see below), whose sum is σ = 263639509920. Its totient is φ = 58215628800.

The previous prime is 126065690981. The next prime is 126065691007. The reversal of 126065690992 is 299096560621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2065392 + ... + 2125552.

It is an arithmetic number, because the mean of its divisors is an integer number (3295493874).

Almost surely, 2^126065690992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126065690992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131819754960).

126065690992 is an abundant number, since it is smaller than the sum of its proper divisors (137573818928).

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

126065690992 is a wasteful number, since it uses less digits than its factorization.

126065690992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60362 (or 60356 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 126065690992 in words is "one hundred twenty-six billion, sixty-five million, six hundred ninety thousand, nine hundred ninety-two".