1201202012 has 24 divisors (see below), whose sum is σ = 2173624320. Its totient is φ = 580232880.

The previous prime is 1201201993. The next prime is 1201202029. The reversal of 1201202012 is 2102021021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201201984 and 1201202002.

It is a congruent number.

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, 67289 + ... + 83247.

It is an arithmetic number, because the mean of its divisors is an integer number (90567680).

Almost surely, 2^1201202012 is an apocalyptic number.

It is an amenable number.

1201202012 is a deficient number, since it is larger than the sum of its proper divisors (972422308).

1201202012 is a wasteful number, since it uses less digits than its factorization.

1201202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16601 (or 16599 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1201202012 is about 34658.3613576868. The cubic root of 1201202012 is about 1063.0132642102.

Adding to 1201202012 its reverse (2102021021), we get a palindrome (3303223033).

The spelling of 1201202012 in words is "one billion, two hundred one million, two hundred two thousand, twelve".