101123113213212 has 24 divisors (see below), whose sum is σ = 241441231549056. Its totient is φ = 32923804301808.

The previous prime is 101123113213141. The next prime is 101123113213229. The reversal of 101123113213212 is 212312311321101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97987512288 + ... + 97987513319.

It is an arithmetic number, because the mean of its divisors is an integer number (10060051314544).

Almost surely, 2^{101123113213212} is an apocalyptic number.

101123113213212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101123113213212 is an abundant number, since it is smaller than the sum of its proper divisors (140318118335844).

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

101123113213212 is a wasteful number, since it uses less digits than its factorization.

101123113213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195975025657 (or 195975025655 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 101123113213212 its reverse (212312311321101), we get a palindrome (313435424534313).

The spelling of 101123113213212 in words is "one hundred one trillion, one hundred twenty-three billion, one hundred thirteen million, two hundred thirteen thousand, two hundred twelve".