121020002012000 has 192 divisors, whose sum is σ = 365964487185024. Its totient is φ = 38300835686400.

The previous prime is 121020002011967. The next prime is 121020002012011. The reversal of 121020002012000 is 210200020121.

It is a happy number.

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, 165872267 + ... + 166600266.

It is an arithmetic number, because the mean of its divisors is an integer number (1906065037422).

Almost surely, 2^{121020002012000} is an apocalyptic number.

121020002012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121020002012000 is an abundant number, since it is smaller than the sum of its proper divisors (244944485173024).

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

121020002012000 is a wasteful number, since it uses less digits than its factorization.

121020002012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332472578 (or 332472560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121020002012000 its reverse (210200020121), we get a palindrome (121230202032121).

The spelling of 121020002012000 in words is "one hundred twenty-one trillion, twenty billion, two million, twelve thousand".