121222002012 has 24 divisors (see below), whose sum is σ = 283872469776. Its totient is φ = 40261458048.

The previous prime is 121222002007. The next prime is 121222002079. The reversal of 121222002012 is 210200222121.

It is a junction number, because it is equal to n+sod(n) for n = 121222001982 and 121222002000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18231033 + ... + 18237680.

It is an arithmetic number, because the mean of its divisors is an integer number (11828019574).

Almost surely, 2^121222002012 is an apocalyptic number.

121222002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121222002012 is an abundant number, since it is smaller than the sum of its proper divisors (162650467764).

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

121222002012 is a wasteful number, since it uses less digits than its factorization.

121222002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36468997 (or 36468995 counting only the distinct ones).

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

Adding to 121222002012 its reverse (210200222121), we get a palindrome (331422224133).

The spelling of 121222002012 in words is "one hundred twenty-one billion, two hundred twenty-two million, two thousand, twelve".