213400240012 has 12 divisors (see below), whose sum is σ = 373539855640. Its totient is φ = 106674566976.

The previous prime is 213400239973. The next prime is 213400240013. The reversal of 213400240012 is 210042004312.

It is not an unprimeable number, because it can be changed into a prime (213400240013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6369462 + ... + 6402877.

Almost surely, 2^213400240012 is an apocalyptic number.

It is an amenable number.

213400240012 is a deficient number, since it is larger than the sum of its proper divisors (160139615628).

213400240012 is a wasteful number, since it uses less digits than its factorization.

213400240012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776520 (or 12776518 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 213400240012 its reverse (210042004312), we get a palindrome (423442244324).

The spelling of 213400240012 in words is "two hundred thirteen billion, four hundred million, two hundred forty thousand, twelve".