10121122012 has 6 divisors (see below), whose sum is σ = 17711963528. Its totient is φ = 5060561004.

The previous prime is 10121122001. The next prime is 10121122031. The reversal of 10121122012 is 21022112101.

It is a super-2 number, since 2×10121122012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121121983 and 10121122001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265140248 + ... + 1265140255.

Almost surely, 2^10121122012 is an apocalyptic number.

It is an amenable number.

10121122012 is a deficient number, since it is larger than the sum of its proper divisors (7590841516).

10121122012 is a wasteful number, since it uses less digits than its factorization.

10121122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530280507 (or 2530280505 counting only the distinct ones).

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

Adding to 10121122012 its reverse (21022112101), we get a palindrome (31143234113).

The spelling of 10121122012 in words is "ten billion, one hundred twenty-one million, one hundred twenty-two thousand, twelve".