1200202992 has 120 divisors (see below), whose sum is σ = 3570302736. Its totient is φ = 375072768.

The previous prime is 1200202981. The next prime is 1200203047. The reversal of 1200202992 is 2992020021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 750738 + ... + 752334.

Almost surely, 2^1200202992 is an apocalyptic number.

1200202992 is a gapful number since it is divisible by the number (12) 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 1200202992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785151368).

1200202992 is an abundant number, since it is smaller than the sum of its proper divisors (2370099744).

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

1200202992 is a wasteful number, since it uses less digits than its factorization.

1200202992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1200202992 is about 34643.9459646271. The cubic root of 1200202992 is about 1062.7184855788.

The spelling of 1200202992 in words is "one billion, two hundred million, two hundred two thousand, nine hundred ninety-two".