121202022012 has 48 divisors (see below), whose sum is σ = 288187230240. Its totient is φ = 39631990528.

The previous prime is 121202021989. The next prime is 121202022017. The reversal of 121202022012 is 210220202121.

It is a junction number, because it is equal to n+sod(n) for n = 121202021982 and 121202022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202022017) by changing a digit.

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, 5441314 + ... + 5463542.

It is an arithmetic number, because the mean of its divisors is an integer number (6003900630).

Almost surely, 2^121202022012 is an apocalyptic number.

121202022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121202022012 is an abundant number, since it is smaller than the sum of its proper divisors (166985208228).

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

121202022012 is a wasteful number, since it uses less digits than its factorization.

121202022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30862 (or 30860 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121202022012 its reverse (210220202121), we get a palindrome (331422224133).

The spelling of 121202022012 in words is "one hundred twenty-one billion, two hundred two million, twenty-two thousand, twelve".