2123212624 has 40 divisors (see below), whose sum is σ = 4438278432. Its totient is φ = 978149760.

The previous prime is 2123212577. The next prime is 2123212631. The reversal of 2123212624 is 4262123212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108039 + ... + 126169.

Almost surely, 2^2123212624 is an apocalyptic number.

It is an amenable number.

2123212624 is an abundant number, since it is smaller than the sum of its proper divisors (2315065808).

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

2123212624 is a wasteful number, since it uses less digits than its factorization.

2123212624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18715 (or 18709 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 2123212624 is about 46078.3313934001. The cubic root of 2123212624 is about 1285.2802356305.

Adding to 2123212624 its reverse (4262123212), we get a palindrome (6385335836).

It can be divided in two parts, 21232 and 12624, that added together give a square (33856 = 184²).

The spelling of 2123212624 in words is "two billion, one hundred twenty-three million, two hundred twelve thousand, six hundred twenty-four".