2212400012 has 24 divisors (see below), whose sum is σ = 3901514400. Its totient is φ = 1097712000.

The previous prime is 2212399991. The next prime is 2212400017. The reversal of 2212400012 is 2100042122.

2212400012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2212400012.

It is not an unprimeable number, because it can be changed into a prime (2212400017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312512 + ... + 319512.

It is an arithmetic number, because the mean of its divisors is an integer number (162563100).

Almost surely, 2^2212400012 is an apocalyptic number.

It is an amenable number.

2212400012 is a deficient number, since it is larger than the sum of its proper divisors (1689114388).

2212400012 is a wasteful number, since it uses less digits than its factorization.

2212400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2212400012 is about 47036.1564331101. The cubic root of 2212400012 is about 1303.0304080898.

Adding to 2212400012 its reverse (2100042122), we get a palindrome (4312442134).

The spelling of 2212400012 in words is "two billion, two hundred twelve million, four hundred thousand, twelve".