12210142555 has 32 divisors (see below), whose sum is σ = 16185899520. Its totient is φ = 8784952320.

The previous prime is 12210142523. The next prime is 12210142603. The reversal of 12210142555 is 55524101221.

It is not a de Polignac number, because 12210142555 - 2⁵ = 12210142523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2297241 + ... + 2302549.

It is an arithmetic number, because the mean of its divisors is an integer number (505809360).

Almost surely, 2^12210142555 is an apocalyptic number.

12210142555 is a deficient number, since it is larger than the sum of its proper divisors (3975756965).

12210142555 is a wasteful number, since it uses less digits than its factorization.

12210142555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 12210142555 its reverse (55524101221), we get a palindrome (67734243776).

The spelling of 12210142555 in words is "twelve billion, two hundred ten million, one hundred forty-two thousand, five hundred fifty-five".