101212122 has 16 divisors (see below), whose sum is σ = 220826592. Its totient is φ = 30670320.

The previous prime is 101212087. The next prime is 101212127. The reversal of 101212122 is 221212101.

It is a junction number, because it is equal to n+sod(n) for n = 101212098 and 101212107.

It is not an unprimeable number, because it can be changed into a prime (101212127) 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, 766693 + ... + 766824.

It is an arithmetic number, because the mean of its divisors is an integer number (13801662).

Almost surely, 2^101212122 is an apocalyptic number.

101212122 is an abundant number, since it is smaller than the sum of its proper divisors (119614470).

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

101212122 is a wasteful number, since it uses less digits than its factorization.

101212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533533.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 101212122 is about 10060.4235497319. The cubic root of 101212122 is about 466.0267472843.

Adding to 101212122 its reverse (221212101), we get a palindrome (322424223).

The spelling of 101212122 in words is "one hundred one million, two hundred twelve thousand, one hundred twenty-two".