101121212001212 has 24 divisors (see below), whose sum is σ = 190575120278256. Its totient is φ = 46671199204608.

The previous prime is 101121212001211. The next prime is 101121212001217. The reversal of 101121212001212 is 212100212121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121212001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17708423 + ... + 22711905.

It is an arithmetic number, because the mean of its divisors is an integer number (7940630011594).

Almost surely, 2^{101121212001212} is an apocalyptic number.

It is an amenable number.

101121212001212 is a deficient number, since it is larger than the sum of its proper divisors (89453908277044).

101121212001212 is a wasteful number, since it uses less digits than its factorization.

101121212001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392157 (or 5392155 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101121212001212 its reverse (212100212121101), we get a palindrome (313221424122313).

The spelling of 101121212001212 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred twelve million, one thousand, two hundred twelve".