210145222042312 has 8 divisors (see below), whose sum is σ = 394022291329350. Its totient is φ = 105072611021152.

The previous prime is 210145222042309. The next prime is 210145222042331. The reversal of 210145222042312 is 213240222541012.

It can be written as a sum of positive squares in only one way, i.e., 192988942066116 + 17156279976196 = 13892046^2 + 4142014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×210145222042312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13134076377637 + ... + 13134076377652.

Almost surely, 2^{210145222042312} is an apocalyptic number.

It is an amenable number.

210145222042312 is a deficient number, since it is larger than the sum of its proper divisors (183877069287038).

210145222042312 is a wasteful number, since it uses less digits than its factorization.

210145222042312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26268152755295 (or 26268152755291 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 210145222042312 its reverse (213240222541012), we get a palindrome (423385444583324).

The spelling of 210145222042312 in words is "two hundred ten trillion, one hundred forty-five billion, two hundred twenty-two million, forty-two thousand, three hundred twelve".