1213000201992 has 64 divisors (see below), whose sum is σ = 3155456321280. Its totient is φ = 388263928832.

The previous prime is 1213000201981. The next prime is 1213000202041. The reversal of 1213000201992 is 2991020003121.

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, 10085073 + ... + 10204640.

It is an arithmetic number, because the mean of its divisors is an integer number (49304005020).

Almost surely, 2^{1213000201992} is an apocalyptic number.

1213000201992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213000201992 is an abundant number, since it is smaller than the sum of its proper divisors (1942456119288).

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

1213000201992 is a wasteful number, since it uses less digits than its factorization.

1213000201992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20289822 (or 20289818 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 1213000201992 in words is "one trillion, two hundred thirteen billion, two hundred one thousand, nine hundred ninety-two".