121320200032002 has 64 divisors (see below), whose sum is σ = 278307054412800. Its totient is φ = 39134167269120.

The previous prime is 121320200032001. The next prime is 121320200032007. The reversal of 121320200032002 is 200230002023121.

121320200032002 is a `hidden beast` number, since 1 + 2 + 1 + 320 + 20 + 0 + 0 + 320 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121320200032001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46707324 + ... + 49236312.

It is an arithmetic number, because the mean of its divisors is an integer number (4348547725200).

Almost surely, 2^{121320200032002} is an apocalyptic number.

121320200032002 is an abundant number, since it is smaller than the sum of its proper divisors (156986854380798).

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

121320200032002 is a wasteful number, since it uses less digits than its factorization.

121320200032002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557688 (or 2557682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121320200032002 its reverse (200230002023121), we get a palindrome (321550202055123).

The spelling of 121320200032002 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred million, thirty-two thousand, two".