2123211412 has 24 divisors (see below), whose sum is σ = 4294140480. Its totient is φ = 899722560.

The previous prime is 2123211401. The next prime is 2123211427. The reversal of 2123211412 is 2141123212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123211412.

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, 423514 + ... + 428497.

It is an arithmetic number, because the mean of its divisors is an integer number (178922520).

Almost surely, 2^2123211412 is an apocalyptic number.

It is an amenable number.

2123211412 is an abundant number, since it is smaller than the sum of its proper divisors (2170929068).

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

2123211412 is a wasteful number, since it uses less digits than its factorization.

2123211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852111 (or 852109 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 2123211412 is about 46078.3182418803. The cubic root of 2123211412 is about 1285.2799910703.

Adding to 2123211412 its reverse (2141123212), we get a palindrome (4264334624).

The spelling of 2123211412 in words is "two billion, one hundred twenty-three million, two hundred eleven thousand, four hundred twelve".