210012400005 has 16 divisors (see below), whose sum is σ = 336365918784. Its totient is φ = 111891253760.

The previous prime is 210012399983. The next prime is 210012400051. The reversal of 210012400005 is 500004210012.

It is not a de Polignac number, because 210012400005 - 2⁵ = 210012399973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7194924 + ... + 7224053.

It is an arithmetic number, because the mean of its divisors is an integer number (21022869924).

Almost surely, 2^210012400005 is an apocalyptic number.

It is an amenable number.

210012400005 is a deficient number, since it is larger than the sum of its proper divisors (126353518779).

210012400005 is a wasteful number, since it uses less digits than its factorization.

210012400005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14419956.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 210012400005 its reverse (500004210012), we get a palindrome (710016610017).

The spelling of 210012400005 in words is "two hundred ten billion, twelve million, four hundred thousand, five".