101212230 has 32 divisors (see below), whose sum is σ = 277611264. Its totient is φ = 23134176.

The previous prime is 101212219. The next prime is 101212249. The reversal of 101212230 is 32212101.

It is a congruent number.

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, 240772 + ... + 241191.

It is an arithmetic number, because the mean of its divisors is an integer number (8675352).

Almost surely, 2^101212230 is an apocalyptic number.

101212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212230 is an abundant number, since it is smaller than the sum of its proper divisors (176399034).

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

101212230 is a wasteful number, since it uses less digits than its factorization.

101212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481980.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101212230 is about 10060.4289172977. The cubic root of 101212230 is about 466.0269130447.

Adding to 101212230 its reverse (32212101), we get a palindrome (133424331).

The spelling of 101212230 in words is "one hundred one million, two hundred twelve thousand, two hundred thirty".