121222131302 has 32 divisors (see below), whose sum is σ = 196485134400. Its totient is φ = 55883842560.

The previous prime is 121222131271. The next prime is 121222131313. The reversal of 121222131302 is 203131222121.

It is a congruent number.

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, 219074 + ... + 538922.

It is an arithmetic number, because the mean of its divisors is an integer number (6140160450).

Almost surely, 2^121222131302 is an apocalyptic number.

121222131302 is a deficient number, since it is larger than the sum of its proper divisors (75263003098).

121222131302 is a wasteful number, since it uses less digits than its factorization.

121222131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320096.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121222131302 its reverse (203131222121), we get a palindrome (324353353423).

The spelling of 121222131302 in words is "one hundred twenty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, three hundred two".