10121101021212 has 12 divisors (see below), whose sum is σ = 23615902382856. Its totient is φ = 3373700340400.

The previous prime is 10121101021139. The next prime is 10121101021249. The reversal of 10121101021212 is 21212010112101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 10121101021191 and 10121101021200.

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, 421712542539 + ... + 421712542562.

It is an arithmetic number, because the mean of its divisors is an integer number (1967991865238).

Almost surely, 2^{10121101021212} is an apocalyptic number.

10121101021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121101021212 is an abundant number, since it is smaller than the sum of its proper divisors (13494801361644).

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

10121101021212 is a wasteful number, since it uses less digits than its factorization.

10121101021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843425085108 (or 843425085106 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10121101021212 its reverse (21212010112101), we get a palindrome (31333111133313).

The spelling of 10121101021212 in words is "ten trillion, one hundred twenty-one billion, one hundred one million, twenty-one thousand, two hundred twelve".