121002130121312 has 96 divisors (see below), whose sum is σ = 260648583834240. Its totient is φ = 54838254366720.

The previous prime is 121002130121281. The next prime is 121002130121359. The reversal of 121002130121312 is 213121031200121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060964963 + ... + 1061079005.

It is an arithmetic number, because the mean of its divisors is an integer number (2715089414940).

Almost surely, 2^{121002130121312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121002130121312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130324291917120).

121002130121312 is an abundant number, since it is smaller than the sum of its proper divisors (139646453712928).

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

121002130121312 is a wasteful number, since it uses less digits than its factorization.

121002130121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122956 (or 122948 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121002130121312 its reverse (213121031200121), we get a palindrome (334123161321433).

The spelling of 121002130121312 in words is "one hundred twenty-one trillion, two billion, one hundred thirty million, one hundred twenty-one thousand, three hundred twelve".