121002222303212 has 24 divisors (see below), whose sum is σ = 218585401961472. Its totient is φ = 58549263570000.

The previous prime is 121002222303211. The next prime is 121002222303217. The reversal of 121002222303212 is 212303222200121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121002222303211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39012587 + ... + 41999837.

It is an arithmetic number, because the mean of its divisors is an integer number (9107725081728).

Almost surely, 2^{121002222303212} is an apocalyptic number.

It is an amenable number.

121002222303212 is a deficient number, since it is larger than the sum of its proper divisors (97583179658260).

121002222303212 is a wasteful number, since it uses less digits than its factorization.

121002222303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313949 (or 3313947 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121002222303212 its reverse (212303222200121), we get a palindrome (333305444503333).

The spelling of 121002222303212 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-two million, three hundred three thousand, two hundred twelve".