121012221202 has 16 divisors (see below), whose sum is σ = 183320197632. Its totient is φ = 59905742400.

The previous prime is 121012221199. The next prime is 121012221241. The reversal of 121012221202 is 202122210121.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 931327 + ... + 1053277.

It is an arithmetic number, because the mean of its divisors is an integer number (11457512352).

Almost surely, 2^121012221202 is an apocalyptic number.

121012221202 is a deficient number, since it is larger than the sum of its proper divisors (62307976430).

121012221202 is a wasteful number, since it uses less digits than its factorization.

121012221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126873.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121012221202 its reverse (202122210121), we get a palindrome (323134431323).

The spelling of 121012221202 in words is "one hundred twenty-one billion, twelve million, two hundred twenty-one thousand, two hundred two".