121010012101200 has 240 divisors, whose sum is σ = 404054018659520. Its totient is φ = 30928576757760.

The previous prime is 121010012101177. The next prime is 121010012101309. The reversal of 121010012101200 is 2101210010121.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17364385 + ... + 23313984.

Almost surely, 2^{121010012101200} is an apocalyptic number.

121010012101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010012101200 is an abundant number, since it is smaller than the sum of its proper divisors (283044006558320).

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

121010012101200 is a wasteful number, since it uses less digits than its factorization.

121010012101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40678494 (or 40678483 counting only the distinct ones).

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

Adding to 121010012101200 its reverse (2101210010121), we get a palindrome (123111222111321).

The spelling of 121010012101200 in words is "one hundred twenty-one trillion, ten billion, twelve million, one hundred one thousand, two hundred".