12601661022102 has 16 divisors (see below), whose sum is σ = 25203378463920. Its totient is φ = 4200544270752.

The previous prime is 12601661022079. The next prime is 12601661022131. The reversal of 12601661022102 is 20122016610621.

It is a self number, because there is not a number n which added to its sum of digits gives 12601661022102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898224 + ... + 5100012.

It is an arithmetic number, because the mean of its divisors is an integer number (1575211153995).

Almost surely, 2^{12601661022102} is an apocalyptic number.

12601661022102 is an abundant number, since it is smaller than the sum of its proper divisors (12601717441818).

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

12601661022102 is a wasteful number, since it uses less digits than its factorization.

12601661022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701647.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 12601661022102 its reverse (20122016610621), we get a palindrome (32723677632723).

The spelling of 12601661022102 in words is "twelve trillion, six hundred one billion, six hundred sixty-one million, twenty-two thousand, one hundred two".