101000011212 has 48 divisors (see below), whose sum is σ = 263850787200. Its totient is φ = 33409668240.

The previous prime is 101000011207. The next prime is 101000011247. The reversal of 101000011212 is 212110000101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101000011194 and 101000011203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555262 + ... + 3583557.

It is an arithmetic number, because the mean of its divisors is an integer number (5496891400).

Almost surely, 2^101000011212 is an apocalyptic number.

101000011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101000011212 is an abundant number, since it is smaller than the sum of its proper divisors (162850775988).

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

101000011212 is a wasteful number, since it uses less digits than its factorization.

101000011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138963 (or 7138955 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101000011212 its reverse (212110000101), we get a palindrome (313110011313).

The spelling of 101000011212 in words is "one hundred one billion, eleven thousand, two hundred twelve".