10121200010012 has 48 divisors (see below), whose sum is σ = 21816552898560. Its totient is φ = 4000860464832.

The previous prime is 10121200009933. The next prime is 10121200010021. The reversal of 10121200010012 is 21001000212101.

It is a junction number, because it is equal to n+sod(n) for n = 10121200009975 and 10121200010002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10404458 + ... + 11335569.

It is an arithmetic number, because the mean of its divisors is an integer number (454511518720).

Almost surely, 2^{10121200010012} is an apocalyptic number.

It is an amenable number.

10121200010012 is an abundant number, since it is smaller than the sum of its proper divisors (11695352888548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121200010012 is a wasteful number, since it uses less digits than its factorization.

10121200010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21741330 (or 21741328 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121200010012 its reverse (21001000212101), we get a palindrome (31122200222113).

The spelling of 10121200010012 in words is "ten trillion, one hundred twenty-one billion, two hundred million, ten thousand, twelve".