1202012004 has 12 divisors (see below), whose sum is σ = 2804694704. Its totient is φ = 400670664.

The previous prime is 1202012003. The next prime is 1202012023. The reversal of 1202012004 is 4002102021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 100167667 = 1202012004 / (1 + 2 + 0 + 2 + 0 + 1 + 2 + 0 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (1202012003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50083822 + ... + 50083845.

Almost surely, 2^1202012004 is an apocalyptic number.

It is an amenable number.

1202012004 is an abundant number, since it is smaller than the sum of its proper divisors (1602682700).

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

1202012004 is a wasteful number, since it uses less digits than its factorization.

1202012004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100167674 (or 100167672 counting only the distinct ones).

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

The square root of 1202012004 is about 34670.0447648975. The cubic root of 1202012004 is about 1063.2521468092.

Adding to 1202012004 its reverse (4002102021), we get a palindrome (5204114025).

The spelling of 1202012004 in words is "one billion, two hundred two million, twelve thousand, four".