120202102645 has 16 divisors (see below), whose sum is σ = 152017488000. Its totient is φ = 90990589248.

The previous prime is 120202102633. The next prime is 120202102681. The reversal of 120202102645 is 546201202021.

It is a cyclic number.

It is not a de Polignac number, because 120202102645 - 2¹⁵ = 120202069877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684385 + ... + 841894.

It is an arithmetic number, because the mean of its divisors is an integer number (9501093000).

Almost surely, 2^120202102645 is an apocalyptic number.

It is an amenable number.

120202102645 is a deficient number, since it is larger than the sum of its proper divisors (31815385355).

120202102645 is a wasteful number, since it uses less digits than its factorization.

120202102645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527132.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 120202102645 its reverse (546201202021), we get a palindrome (666403304666).

The spelling of 120202102645 in words is "one hundred twenty billion, two hundred two million, one hundred two thousand, six hundred forty-five".