121202002012 has 48 divisors (see below), whose sum is σ = 261640092672. Its totient is φ = 47839746240.

The previous prime is 121202001989. The next prime is 121202002067. The reversal of 121202002012 is 210200202121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121202001983 and 121202002001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214564 + ... + 537067.

It is an arithmetic number, because the mean of its divisors is an integer number (5450835264).

Almost surely, 2^121202002012 is an apocalyptic number.

It is an amenable number.

121202002012 is an abundant number, since it is smaller than the sum of its proper divisors (140438090660).

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

121202002012 is a wasteful number, since it uses less digits than its factorization.

121202002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752098 (or 752096 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121202002012 its reverse (210200202121), we get a palindrome (331402204133).

The spelling of 121202002012 in words is "one hundred twenty-one billion, two hundred two million, two thousand, twelve".