121012121120000 has 180 divisors, whose sum is σ = 329283062265696. Its totient is φ = 44004407040000.

The previous prime is 121012121119961. The next prime is 121012121120021. The reversal of 121012121120000 is 21121210121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32618444 + ... + 36138443.

Almost surely, 2^{121012121120000} is an apocalyptic number.

121012121120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012121120000 is an abundant number, since it is smaller than the sum of its proper divisors (208270941145696).

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

121012121120000 is an frugal number, since it uses more digits than its factorization.

121012121120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68756934 (or 68756905 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121012121120000 its reverse (21121210121), we get a palindrome (121033242330121).

The spelling of 121012121120000 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty-one million, one hundred twenty thousand".