1980762012 has 36 divisors (see below), whose sum is σ = 5192370456. Its totient is φ = 660253680.

The previous prime is 1980762011. The next prime is 1980762013. The reversal of 1980762012 is 2102670891.

1980762012 is a `hidden beast` number, since 19 + 8 + 0 + 7 + 620 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (1980762011) and next prime (1980762013).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980762011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017939 + ... + 1019882.

Almost surely, 2^1980762012 is an apocalyptic number.

1980762012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1980762012 is an abundant number, since it is smaller than the sum of its proper divisors (3211608444).

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

1980762012 is a wasteful number, since it uses less digits than its factorization.

1980762012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037840 (or 2037826 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1980762012 is about 44505.7525719990. The cubic root of 1980762012 is about 1255.8683031956.

The spelling of 1980762012 in words is "one billion, nine hundred eighty million, seven hundred sixty-two thousand, twelve".