121220122002 has 32 divisors (see below), whose sum is σ = 280977030144. Its totient is φ = 34146512400.

The previous prime is 121220121983. The next prime is 121220122043. The reversal of 121220122002 is 200221022121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20322324 + ... + 20328287.

It is an arithmetic number, because the mean of its divisors is an integer number (8780532192).

Almost surely, 2^121220122002 is an apocalyptic number.

121220122002 is an abundant number, since it is smaller than the sum of its proper divisors (159756908142).

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

121220122002 is a wasteful number, since it uses less digits than its factorization.

121220122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40650694.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121220122002 its reverse (200221022121), we get a palindrome (321441144123).

The spelling of 121220122002 in words is "one hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, two".