121312212200002 has 16 divisors (see below), whose sum is σ = 187996510386432. Its totient is φ = 58650005536560.

The previous prime is 121312212199999. The next prime is 121312212200051. The reversal of 121312212200002 is 200002212213121.

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, 824125473 + ... + 824272660.

It is an arithmetic number, because the mean of its divisors is an integer number (11749781899152).

Almost surely, 2^{121312212200002} is an apocalyptic number.

121312212200002 is a deficient number, since it is larger than the sum of its proper divisors (66684298186430).

121312212200002 is a wasteful number, since it uses less digits than its factorization.

121312212200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648399353.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121312212200002 its reverse (200002212213121), we get a palindrome (321314424413123).

The spelling of 121312212200002 in words is "one hundred twenty-one trillion, three hundred twelve billion, two hundred twelve million, two hundred thousand, two".