12162251052102 has 64 divisors (see below), whose sum is σ = 24749312313600. Its totient is φ = 3983589227904.

The previous prime is 12162251052073. The next prime is 12162251052173. The reversal of 12162251052102 is 20125015226121.

It is a super-3 number, since 3×12162251052102³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12162251052102.

It is a congruent number.

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, 1308749368 + ... + 1308758660.

It is an arithmetic number, because the mean of its divisors is an integer number (386708004900).

Almost surely, 2^{12162251052102} is an apocalyptic number.

12162251052102 is an abundant number, since it is smaller than the sum of its proper divisors (12587061261498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12162251052102 is a wasteful number, since it uses less digits than its factorization.

12162251052102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 12162251052102 its reverse (20125015226121), we get a palindrome (32287266278223).

The spelling of 12162251052102 in words is "twelve trillion, one hundred sixty-two billion, two hundred fifty-one million, fifty-two thousand, one hundred two".