121200010120010 has 16 divisors (see below), whose sum is σ = 218206209285216. Its totient is φ = 48469739365968.

The previous prime is 121200010119889. The next prime is 121200010120073. The reversal of 121200010120010 is 10021010002121.

It is a junction number, because it is equal to n+sod(n) for n = 121200010119973 and 121200010120000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283035664 + ... + 1283130123.

It is an arithmetic number, because the mean of its divisors is an integer number (13637888080326).

Almost surely, 2^{121200010120010} is an apocalyptic number.

121200010120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200010120010 is a deficient number, since it is larger than the sum of its proper divisors (97006199165206).

121200010120010 is a wasteful number, since it uses less digits than its factorization.

121200010120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566170517.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121200010120010 its reverse (10021010002121), we get a palindrome (131221020122131).

The spelling of 121200010120010 in words is "one hundred twenty-one trillion, two hundred billion, ten million, one hundred twenty thousand, ten".