1200212004 has 24 divisors (see below), whose sum is σ = 2842295008. Its totient is φ = 394099200.

The previous prime is 1200211997. The next prime is 1200212017. The reversal of 1200212004 is 4002120021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745597 + ... + 747204.

Almost surely, 2^1200212004 is an apocalyptic number.

It is an amenable number.

1200212004 is an abundant number, since it is smaller than the sum of its proper divisors (1642083004).

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

1200212004 is a wasteful number, since it uses less digits than its factorization.

1200212004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492875 (or 1492873 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1200212004 is about 34644.0760303980. The cubic root of 1200212004 is about 1062.7211454608.

Adding to 1200212004 its reverse (4002120021), we get a palindrome (5202332025).

The spelling of 1200212004 in words is "one billion, two hundred million, two hundred twelve thousand, four".