1012123996 has 96 divisors (see below), whose sum is σ = 2074464000. Its totient is φ = 428156928.

The previous prime is 1012123979. The next prime is 1012123997. The reversal of 1012123996 is 6993212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012123997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5654235 + ... + 5654413.

It is an arithmetic number, because the mean of its divisors is an integer number (21609000).

Almost surely, 2^1012123996 is an apocalyptic number.

It is an amenable number.

1012123996 is an abundant number, since it is smaller than the sum of its proper divisors (1062340004).

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

1012123996 is a wasteful number, since it uses less digits than its factorization.

1012123996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 1012123996 is about 31813.8962719124. The cubic root of 1012123996 is about 1004.0251087619.

The spelling of 1012123996 in words is "one billion, twelve million, one hundred twenty-three thousand, nine hundred ninety-six".