121012222002 has 32 divisors (see below), whose sum is σ = 276643018752. Its totient is φ = 34569463824.

The previous prime is 121012221929. The next prime is 121012222039. The reversal of 121012222002 is 200222210121.

It is a super-2 number, since 2×121012222002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45783 + ... + 494085.

It is an arithmetic number, because the mean of its divisors is an integer number (8645094336).

Almost surely, 2^121012222002 is an apocalyptic number.

121012222002 is an abundant number, since it is smaller than the sum of its proper divisors (155630796750).

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

121012222002 is a wasteful number, since it uses less digits than its factorization.

121012222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454742.

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

Adding to 121012222002 its reverse (200222210121), we get a palindrome (321234432123).

The spelling of 121012222002 in words is "one hundred twenty-one billion, twelve million, two hundred twenty-two thousand, two".