101211120210012 has 96 divisors (see below), whose sum is σ = 238884016250880. Its totient is φ = 33350119457280.

The previous prime is 101211120209971. The next prime is 101211120210019. The reversal of 101211120210012 is 210012021112101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101211120209973 and 101211120210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211120210019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1442602438 + ... + 1442672594.

It is an arithmetic number, because the mean of its divisors is an integer number (2488375169280).

Almost surely, 2^{101211120210012} is an apocalyptic number.

101211120210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101211120210012 is an abundant number, since it is smaller than the sum of its proper divisors (137672896040868).

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

101211120210012 is a wasteful number, since it uses less digits than its factorization.

101211120210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74291 (or 74289 counting only the distinct ones).

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

Adding to 101211120210012 its reverse (210012021112101), we get a palindrome (311223141322113).

The spelling of 101211120210012 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty million, two hundred ten thousand, twelve".