121303132000 has 192 divisors, whose sum is σ = 301669280640. Its totient is φ = 47934720000.

The previous prime is 121303131979. The next prime is 121303132021. The reversal of 121303132000 is 231303121.

It is an interprime number because it is at equal distance from previous prime (121303131979) and next prime (121303132021).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138315562 + ... + 138316438.

It is an arithmetic number, because the mean of its divisors is an integer number (1571194170).

Almost surely, 2^121303132000 is an apocalyptic number.

121303132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121303132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150834640320).

121303132000 is an abundant number, since it is smaller than the sum of its proper divisors (180366148640).

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

121303132000 is a wasteful number, since it uses less digits than its factorization.

121303132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121303132000 its reverse (231303121), we get a palindrome (121534435121).

The spelling of 121303132000 in words is "one hundred twenty-one billion, three hundred three million, one hundred thirty-two thousand".