10121123130212 has 12 divisors (see below), whose sum is σ = 17711991178476. Its totient is φ = 5060554222080.

The previous prime is 10121123130149. The next prime is 10121123130253. The reversal of 10121123130212 is 21203132112101.

It can be written as a sum of positive squares in 2 ways, for example, as 5867324129536 + 4253799000676 = 2422256^2 + 2062474^2 .

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, 2301512 + ... + 5053632.

It is an arithmetic number, because the mean of its divisors is an integer number (1475999264873).

Almost surely, 2^{10121123130212} is an apocalyptic number.

It is an amenable number.

10121123130212 is a deficient number, since it is larger than the sum of its proper divisors (7590868048264).

10121123130212 is a wasteful number, since it uses less digits than its factorization.

10121123130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671518 (or 3671516 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10121123130212 its reverse (21203132112101), we get a palindrome (31324255242313).

The spelling of 10121123130212 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty thousand, two hundred twelve".