10121001021212 has 12 divisors (see below), whose sum is σ = 17711827467096. Its totient is φ = 5060478887760.

The previous prime is 10121001021169. The next prime is 10121001021253. The reversal of 10121001021212 is 21212010012101.

It is a congruent number.

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, 4328714 + ... + 6243377.

It is an arithmetic number, because the mean of its divisors is an integer number (1475985622258).

Almost surely, 2^{10121001021212} is an apocalyptic number.

It is an amenable number.

10121001021212 is a deficient number, since it is larger than the sum of its proper divisors (7590826445884).

10121001021212 is a wasteful number, since it uses less digits than its factorization.

10121001021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10811428 (or 10811426 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10121001021212 its reverse (21212010012101), we get a palindrome (31333011033313).

The spelling of 10121001021212 in words is "ten trillion, one hundred twenty-one billion, one million, twenty-one thousand, two hundred twelve".