101212242 has 32 divisors (see below), whose sum is σ = 209245632. Its totient is φ = 32612544.

The previous prime is 101212219. The next prime is 101212249. The reversal of 101212242 is 242212101.

It is not an unprimeable number, because it can be changed into a prime (101212249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34788 + ... + 37584.

It is an arithmetic number, because the mean of its divisors is an integer number (6538926).

Almost surely, 2^101212242 is an apocalyptic number.

101212242 is an abundant number, since it is smaller than the sum of its proper divisors (108033390).

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

101212242 is a wasteful number, since it uses less digits than its factorization.

101212242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 101212242 is about 10060.4295136937. The cubic root of 101212242 is about 466.0269314625.

Adding to 101212242 its reverse (242212101), we get a palindrome (343424343).

The spelling of 101212242 in words is "one hundred one million, two hundred twelve thousand, two hundred forty-two".