3660121969212 has 24 divisors (see below), whose sum is σ = 8544251345616. Its totient is φ = 1219473977728.

The previous prime is 3660121969199. The next prime is 3660121969213. The reversal of 3660121969212 is 2129691210663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660121969213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70807923 + ... + 70859594.

It is an arithmetic number, because the mean of its divisors is an integer number (356010472734).

Almost surely, 2^{3660121969212} is an apocalyptic number.

It is an amenable number.

3660121969212 is an abundant number, since it is smaller than the sum of its proper divisors (4884129376404).

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

3660121969212 is a wasteful number, since it uses less digits than its factorization.

3660121969212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141669677 (or 141669675 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 3660121969212 in words is "three trillion, six hundred sixty billion, one hundred twenty-one million, nine hundred sixty-nine thousand, two hundred twelve".