10121001211212 has 48 divisors (see below), whose sum is σ = 24711552224352. Its totient is φ = 3220553157120.

The previous prime is 10121001211199. The next prime is 10121001211219. The reversal of 10121001211212 is 21211210012101.

It is a happy number.

10121001211212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10121001211191 and 10121001211200.

It is not an unprimeable number, because it can be changed into a prime (10121001211219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215024089 + ... + 215071152.

It is an arithmetic number, because the mean of its divisors is an integer number (514824004674).

Almost surely, 2^{10121001211212} is an apocalyptic number.

10121001211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121001211212 is an abundant number, since it is smaller than the sum of its proper divisors (14590551013140).

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

10121001211212 is a wasteful number, since it uses less digits than its factorization.

10121001211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430095338 (or 430095336 counting only the distinct ones).

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

Adding to 10121001211212 its reverse (21211210012101), we get a palindrome (31332211223313).

The spelling of 10121001211212 in words is "ten trillion, one hundred twenty-one billion, one million, two hundred eleven thousand, two hundred twelve".