1000102121212 has 24 divisors (see below), whose sum is σ = 1842655258640. Its totient is φ = 473639529600.

The previous prime is 1000102121203. The next prime is 1000102121233. The reversal of 1000102121212 is 2121212010001.

It is a junction number, because it is equal to n+sod(n) for n = 1000102121192 and 1000102121201.

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, 902193 + ... + 1677544.

Almost surely, 2^{1000102121212} is an apocalyptic number.

It is an amenable number.

1000102121212 is a deficient number, since it is larger than the sum of its proper divisors (842553137428).

1000102121212 is a wasteful number, since it uses less digits than its factorization.

1000102121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584861 (or 2584859 counting only the distinct ones).

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

Adding to 1000102121212 its reverse (2121212010001), we get a palindrome (3121314131213).

It can be divided in two parts, 100010 and 2121212, that added together give a palindrome (2221222).

The spelling of 1000102121212 in words is "one trillion, one hundred two million, one hundred twenty-one thousand, two hundred twelve".