100121201222012 has 12 divisors (see below), whose sum is σ = 180864105433536. Its totient is φ = 48445742526720.

The previous prime is 100121201221997. The next prime is 100121201222027. The reversal of 100121201222012 is 210222102121001.

It is an interprime number because it is at equal distance from previous prime (100121201221997) and next prime (100121201222027).

It is a super-2 number, since 2×100121201222012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403714520933 + ... + 403714521180.

It is an arithmetic number, because the mean of its divisors is an integer number (15072008786128).

Almost surely, 2^{100121201222012} is an apocalyptic number.

It is an amenable number.

100121201222012 is a deficient number, since it is larger than the sum of its proper divisors (80742904211524).

100121201222012 is a wasteful number, since it uses less digits than its factorization.

100121201222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807429042148 (or 807429042146 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100121201222012 its reverse (210222102121001), we get a palindrome (310343303343013).

The spelling of 100121201222012 in words is "one hundred trillion, one hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, twelve".