121322001012000 has 192 divisors, whose sum is σ = 406693920657024. Its totient is φ = 31600148966400.

The previous prime is 121322001011999. The next prime is 121322001012011. The reversal of 121322001012000 is 210100223121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117044079 + ... + 118076078.

It is an arithmetic number, because the mean of its divisors is an integer number (2118197503422).

Almost surely, 2^{121322001012000} is an apocalyptic number.

121322001012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121322001012000 is an abundant number, since it is smaller than the sum of its proper divisors (285371919645024).

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

121322001012000 is a wasteful number, since it uses less digits than its factorization.

121322001012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235120228 (or 235120210 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121322001012000 its reverse (210100223121), we get a palindrome (121532101235121).

The spelling of 121322001012000 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, one million, twelve thousand".