121023303122000 has 160 divisors (see below), whose sum is σ = 293524588581120. Its totient is φ = 48262097318400.

The previous prime is 121023303121999. The next prime is 121023303122047. The reversal of 121023303122000 is 221303320121.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 6578416802 + ... + 6578435198.

It is an arithmetic number, because the mean of its divisors is an integer number (1834528678632).

Almost surely, 2^{121023303122000} is an apocalyptic number.

121023303122000 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 121023303122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146762294290560).

121023303122000 is an abundant number, since it is smaller than the sum of its proper divisors (172501285459120).

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

121023303122000 is a wasteful number, since it uses less digits than its factorization.

121023303122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28246 (or 28230 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121023303122000 its reverse (221303320121), we get a palindrome (121244606442121).

The spelling of 121023303122000 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred three million, one hundred twenty-two thousand".