146231212 has 48 divisors (see below), whose sum is σ = 277724160. Its totient is φ = 67122432.

The previous prime is 146231203. The next prime is 146231221. The reversal of 146231212 is 212132641.

It is an interprime number because it is at equal distance from previous prime (146231203) and next prime (146231221).

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, 875553 + ... + 875719.

It is an arithmetic number, because the mean of its divisors is an integer number (5785920).

Almost surely, 2^146231212 is an apocalyptic number.

It is an amenable number.

146231212 is a deficient number, since it is larger than the sum of its proper divisors (131492948).

146231212 is a wasteful number, since it uses less digits than its factorization.

146231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 428 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 146231212 is about 12092.6098093009. The cubic root of 146231212 is about 526.8415593564.

Adding to 146231212 its reverse (212132641), we get a palindrome (358363853).

The spelling of 146231212 in words is "one hundred forty-six million, two hundred thirty-one thousand, two hundred twelve".