3721142012 has 24 divisors (see below), whose sum is σ = 7445243904. Its totient is φ = 1594140912.

The previous prime is 3721142003. The next prime is 3721142023. The reversal of 3721142012 is 2102411273.

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, 49013 + ... + 99219.

It is an arithmetic number, because the mean of its divisors is an integer number (310218496).

Almost surely, 2^3721142012 is an apocalyptic number.

It is an amenable number.

3721142012 is an abundant number, since it is smaller than the sum of its proper divisors (3724101892).

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

3721142012 is a wasteful number, since it uses less digits than its factorization.

3721142012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52865 (or 52863 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3721142012 is about 61001.1640216808. The cubic root of 3721142012 is about 1549.6207205187.

Adding to 3721142012 its reverse (2102411273), we get a palindrome (5823553285).

The spelling of 3721142012 in words is "three billion, seven hundred twenty-one million, one hundred forty-two thousand, twelve".