121012012110000 has 200 divisors, whose sum is σ = 426155903008704. Its totient is φ = 29336245280000.

The previous prime is 121012012109983. The next prime is 121012012110037. The reversal of 121012012110000 is 11210210121.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183021534 + ... + 183681533.

Almost surely, 2^{121012012110000} is an apocalyptic number.

121012012110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012012110000 is an abundant number, since it is smaller than the sum of its proper divisors (305143890898704).

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

121012012110000 is a wasteful number, since it uses less digits than its factorization.

121012012110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366703109 (or 366703088 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121012012110000 its reverse (11210210121), we get a palindrome (121023222320121).

The spelling of 121012012110000 in words is "one hundred twenty-one trillion, twelve billion, twelve million, one hundred ten thousand".