121301323002 has 48 divisors (see below), whose sum is σ = 276828140160. Its totient is φ = 38281311936.

The previous prime is 121301323001. The next prime is 121301323081. The reversal of 121301323002 is 200323103121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121301323001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429358 + ... + 653414.

It is an arithmetic number, because the mean of its divisors is an integer number (5767252920).

Almost surely, 2^121301323002 is an apocalyptic number.

121301323002 is an abundant number, since it is smaller than the sum of its proper divisors (155526817158).

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

121301323002 is a wasteful number, since it uses less digits than its factorization.

121301323002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225667 (or 225664 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121301323002 its reverse (200323103121), we get a palindrome (321624426123).

The spelling of 121301323002 in words is "one hundred twenty-one billion, three hundred one million, three hundred twenty-three thousand, two".