3781080012 has 12 divisors (see below), whose sum is σ = 8822520056. Its totient is φ = 1260360000.

The previous prime is 3781080011. The next prime is 3781080019. The reversal of 3781080012 is 2100801873.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3781080011) 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, 157544989 + ... + 157545012.

Almost surely, 2^3781080012 is an apocalyptic number.

It is an amenable number.

3781080012 is an abundant number, since it is smaller than the sum of its proper divisors (5041440044).

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

3781080012 is a wasteful number, since it uses less digits than its factorization.

3781080012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315090008 (or 315090006 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 3781080012 is about 61490.4871667155. The cubic root of 3781080012 is about 1557.8965750508.

Adding to 3781080012 its reverse (2100801873), we get a palindrome (5881881885).

The spelling of 3781080012 in words is "three billion, seven hundred eighty-one million, eighty thousand, twelve".