1213202996 has 12 divisors (see below), whose sum is σ = 2123365860. Its totient is φ = 606527040.

The previous prime is 1213202993. The next prime is 1213203031. The reversal of 1213202996 is 6992023121.

It can be written as a sum of positive squares in 2 ways, for example, as 1012130596 + 201072400 = 31814^2 + 14180^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213202993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35570 + ... + 60758.

It is an arithmetic number, because the mean of its divisors is an integer number (176947155).

Almost surely, 2^1213202996 is an apocalyptic number.

It is an amenable number.

1213202996 is a deficient number, since it is larger than the sum of its proper divisors (910162864).

1213202996 is a wasteful number, since it uses less digits than its factorization.

1213202996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37234 (or 37232 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1213202996 is about 34831.0636644935. The cubic root of 1213202996 is about 1066.5416616965.

The spelling of 1213202996 in words is "one billion, two hundred thirteen million, two hundred two thousand, nine hundred ninety-six".