2120031212 has 24 divisors (see below), whose sum is σ = 4006926000. Its totient is φ = 975663936.

The previous prime is 2120031161. The next prime is 2120031299. The reversal of 2120031212 is 2121300212.

It is a happy 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, 40262 + ... + 76557.

It is an arithmetic number, because the mean of its divisors is an integer number (166955250).

Almost surely, 2^2120031212 is an apocalyptic number.

It is an amenable number.

2120031212 is a deficient number, since it is larger than the sum of its proper divisors (1886894788).

2120031212 is a wasteful number, since it uses less digits than its factorization.

2120031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117185 (or 117183 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2120031212 is about 46043.7966722989. The cubic root of 2120031212 is about 1284.6379620720.

Adding to 2120031212 its reverse (2121300212), we get a palindrome (4241331424).

The spelling of 2120031212 in words is "two billion, one hundred twenty million, thirty-one thousand, two hundred twelve".