3720253212 has 96 divisors (see below), whose sum is σ = 10515588160. Its totient is φ = 1144658304.

The previous prime is 3720253169. The next prime is 3720253213. The reversal of 3720253212 is 2123520273.

It is a happy number.

It is a super-2 number, since 2×3720253212² = 27680567922792633888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720253213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97368 + ... + 130080.

Almost surely, 2^3720253212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3720253212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5257794080).

3720253212 is an abundant number, since it is smaller than the sum of its proper divisors (6795334948).

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

3720253212 is a wasteful number, since it uses less digits than its factorization.

3720253212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32751 (or 32731 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3720253212 is about 60993.8784797294. The cubic root of 3720253212 is about 1549.4973343321.

Adding to 3720253212 its reverse (2123520273), we get a palindrome (5843773485).

The spelling of 3720253212 in words is "three billion, seven hundred twenty million, two hundred fifty-three thousand, two hundred twelve".