1000121101012 has 24 divisors (see below), whose sum is σ = 1909347793920. Its totient is φ = 454594383360.

The previous prime is 1000121101003. The next prime is 1000121101043. The reversal of 1000121101012 is 2101011210001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000121101012.

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, 5511789 + ... + 5690347.

It is an arithmetic number, because the mean of its divisors is an integer number (79556158080).

Almost surely, 2^{1000121101012} is an apocalyptic number.

It is an amenable number.

1000121101012 is a deficient number, since it is larger than the sum of its proper divisors (909226692908).

1000121101012 is a wasteful number, since it uses less digits than its factorization.

1000121101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305871 (or 305869 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000121101012 its reverse (2101011210001), we get a palindrome (3101132311013).

The spelling of 1000121101012 in words is "one trillion, one hundred twenty-one million, one hundred one thousand, twelve".