121644460302 has 8 divisors (see below), whose sum is σ = 243288920616. Its totient is φ = 40548153432.

The previous prime is 121644460283. The next prime is 121644460303. The reversal of 121644460302 is 203064446121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

121644460302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121644460303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10137038353 + ... + 10137038364.

It is an arithmetic number, because the mean of its divisors is an integer number (30411115077).

Almost surely, 2^121644460302 is an apocalyptic number.

121644460302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121644460302 is a wasteful number, since it uses less digits than its factorization.

121644460302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20274076722.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 121644460302 in words is "one hundred twenty-one billion, six hundred forty-four million, four hundred sixty thousand, three hundred two".