101212231443100 has 36 divisors (see below), whose sum is σ = 220745418123384. Its totient is φ = 40279385500480.

The previous prime is 101212231443067. The next prime is 101212231443101. The reversal of 101212231443100 is 1344132212101.

It is a super-2 number, since 2×101212231443100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212231443101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2568818662 + ... + 2568858061.

It is an arithmetic number, because the mean of its divisors is an integer number (6131817170094).

Almost surely, 2^{101212231443100} is an apocalyptic number.

101212231443100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212231443100 is an abundant number, since it is smaller than the sum of its proper divisors (119533186680284).

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

101212231443100 is a wasteful number, since it uses less digits than its factorization.

101212231443100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137676934 (or 5137676927 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 101212231443100 its reverse (1344132212101), we get a palindrome (102556363655201).

The spelling of 101212231443100 in words is "one hundred one trillion, two hundred twelve billion, two hundred thirty-one million, four hundred forty-three thousand, one hundred".