1213512701996 has 24 divisors (see below), whose sum is σ = 2427114582816. Its totient is φ = 520057762560.

The previous prime is 1213512701993. The next prime is 1213512702037. The reversal of 1213512701996 is 6991072153121.

It is a happy number.

It is a super-2 number, since 2×1213512701996² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1213512701996.

It is not an unprimeable number, because it can be changed into a prime (1213512701993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6875 + ... + 1557906.

It is an arithmetic number, because the mean of its divisors is an integer number (101129774284).

Almost surely, 2^{1213512701996} is an apocalyptic number.

It is an amenable number.

1213512701996 is an abundant number, since it is smaller than the sum of its proper divisors (1213601880820).

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

1213512701996 is a wasteful number, since it uses less digits than its factorization.

1213512701996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592489 (or 1592487 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 1213512701996 in words is "one trillion, two hundred thirteen billion, five hundred twelve million, seven hundred one thousand, nine hundred ninety-six".