121012012200200 has 48 divisors (see below), whose sum is σ = 306930467313360. Its totient is φ = 44004368072000.

The previous prime is 121012012200137. The next prime is 121012012200251. The reversal of 121012012200200 is 2002210210121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27502727846 + ... + 27502732245.

It is an arithmetic number, because the mean of its divisors is an integer number (6394384735695).

Almost surely, 2^{121012012200200} is an apocalyptic number.

121012012200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012012200200 is an abundant number, since it is smaller than the sum of its proper divisors (185918455113160).

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

121012012200200 is a wasteful number, since it uses less digits than its factorization.

121012012200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55005460118 (or 55005460109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121012012200200 its reverse (2002210210121), we get a palindrome (123014222410321).

The spelling of 121012012200200 in words is "one hundred twenty-one trillion, twelve billion, twelve million, two hundred thousand, two hundred".