2152211412 has 48 divisors (see below), whose sum is σ = 5554301312. Its totient is φ = 644319360.

The previous prime is 2152211393. The next prime is 2152211417. The reversal of 2152211412 is 2141122512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152211417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180664 + ... + 192207.

Almost surely, 2^2152211412 is an apocalyptic number.

It is an amenable number.

2152211412 is an abundant number, since it is smaller than the sum of its proper divisors (3402089900).

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

2152211412 is a wasteful number, since it uses less digits than its factorization.

2152211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372928 (or 372926 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 2152211412 is about 46391.9326176438. The cubic root of 2152211412 is about 1291.1052387159.

Adding to 2152211412 its reverse (2141122512), we get a palindrome (4293333924).

Subtracting from 2152211412 its reverse (2141122512), we obtain a square (11088900 = 3330²).

The spelling of 2152211412 in words is "two billion, one hundred fifty-two million, two hundred eleven thousand, four hundred twelve".