121222012002 has 32 divisors (see below), whose sum is σ = 298392646272. Its totient is φ = 31970640384.

The previous prime is 121222012001. The next prime is 121222012057. The reversal of 121222012002 is 200210222121.

121222012002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121222012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111008623 + ... + 111009714.

It is an arithmetic number, because the mean of its divisors is an integer number (9324770196).

Almost surely, 2^121222012002 is an apocalyptic number.

121222012002 is an abundant number, since it is smaller than the sum of its proper divisors (177170634270).

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

121222012002 is a wasteful number, since it uses less digits than its factorization.

121222012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222018362.

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

Adding to 121222012002 its reverse (200210222121), we get a palindrome (321432234123).

The spelling of 121222012002 in words is "one hundred twenty-one billion, two hundred twenty-two million, twelve thousand, two".