1000121120212 has 24 divisors (see below), whose sum is σ = 1762472930400. Its totient is φ = 496565309856.

The previous prime is 1000121120203. The next prime is 1000121120221. The reversal of 1000121120212 is 2120211210001.

It is an interprime number because it is at equal distance from previous prime (1000121120203) and next prime (1000121120221).

It is a super-3 number, since 3×1000121120212³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000121120192 and 1000121120201.

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, 477418 + ... + 1492705.

It is an arithmetic number, because the mean of its divisors is an integer number (73436372100).

Almost surely, 2^{1000121120212} is an apocalyptic number.

It is an amenable number.

1000121120212 is a deficient number, since it is larger than the sum of its proper divisors (762351810188).

1000121120212 is a wasteful number, since it uses less digits than its factorization.

1000121120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971015 (or 1971013 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000121120212 its reverse (2120211210001), we get a palindrome (3120332330213).

The spelling of 1000121120212 in words is "one trillion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".