121202200111012 has 12 divisors (see below), whose sum is σ = 212158082860416. Its totient is φ = 60585605008040.

The previous prime is 121202200110941. The next prime is 121202200111019. The reversal of 121202200111012 is 210111002202121.

It is not an unprimeable number, because it can be changed into a prime (121202200111019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3873744268 + ... + 3873775555.

It is an arithmetic number, because the mean of its divisors is an integer number (17679840238368).

Almost surely, 2^{121202200111012} is an apocalyptic number.

It is an amenable number.

121202200111012 is a deficient number, since it is larger than the sum of its proper divisors (90955882749404).

121202200111012 is a wasteful number, since it uses less digits than its factorization.

121202200111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747523738 (or 7747523736 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121202200111012 its reverse (210111002202121), we get a palindrome (331313202313133).

The spelling of 121202200111012 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred million, one hundred eleven thousand, twelve".