121001202201012 has 48 divisors (see below), whose sum is σ = 325525358159232. Its totient is φ = 34265827169280.

The previous prime is 121001202200869. The next prime is 121001202201023. The reversal of 121001202201012 is 210102202100121.

It is a junction number, because it is equal to n+sod(n) for n = 121001202200982 and 121001202201000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6373842289 + ... + 6373861272.

It is an arithmetic number, because the mean of its divisors is an integer number (6781778294984).

Almost surely, 2^{121001202201012} is an apocalyptic number.

121001202201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121001202201012 is an abundant number, since it is smaller than the sum of its proper divisors (204524155958220).

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

121001202201012 is a wasteful number, since it uses less digits than its factorization.

121001202201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747703688 (or 12747703686 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121001202201012 its reverse (210102202100121), we get a palindrome (331103404301133).

The spelling of 121001202201012 in words is "one hundred twenty-one trillion, one billion, two hundred two million, two hundred one thousand, twelve".