2124021412 has 12 divisors (see below), whose sum is σ = 3935686860. Its totient is φ = 999539456.

The previous prime is 2124021379. The next prime is 2124021433. The reversal of 2124021412 is 2141204212.

It can be written as a sum of positive squares in 2 ways, for example, as 914094756 + 1209926656 = 30234^2 + 34784^2 .

It is a super-2 number, since 2×2124021412² = 9022933917268947488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2124021412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15617737 + ... + 15617872.

It is an arithmetic number, because the mean of its divisors is an integer number (327973905).

Almost surely, 2^2124021412 is an apocalyptic number.

It is an amenable number.

2124021412 is a deficient number, since it is larger than the sum of its proper divisors (1811665448).

2124021412 is a wasteful number, since it uses less digits than its factorization.

2124021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31235630 (or 31235628 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2124021412 is about 46087.1067870397. The cubic root of 2124021412 is about 1285.4434140226.

Adding to 2124021412 its reverse (2141204212), we get a palindrome (4265225624).

The spelling of 2124021412 in words is "two billion, one hundred twenty-four million, twenty-one thousand, four hundred twelve".