1213819992000 has 3584 divisors, whose sum is σ = 6063727288320. Its totient is φ = 232906752000.

The previous prime is 1213819991963. The next prime is 1213819992013. The reversal of 1213819992000 is 2999183121.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 22902263974 + ... + 22902264026.

Almost surely, 2^{1213819992000} is an apocalyptic number.

1213819992000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213819992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3031863644160).

1213819992000 is an abundant number, since it is smaller than the sum of its proper divisors (4849907296320).

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

1213819992000 is an equidigital number, since it uses as much as digits as its factorization.

1213819992000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 1213819992000 in words is "one trillion, two hundred thirteen billion, eight hundred nineteen million, nine hundred ninety-two thousand".