133212130 has 16 divisors (see below), whose sum is σ = 240698304. Its totient is φ = 53081200.

The previous prime is 133212127. The next prime is 133212133. The reversal of 133212130 is 31212331.

It is an interprime number because it is at equal distance from previous prime (133212127) and next prime (133212133).

It is not an unprimeable number, because it can be changed into a prime (133212133) 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, 22696 + ... + 27955.

It is an arithmetic number, because the mean of its divisors is an integer number (15043644).

Almost surely, 2^133212130 is an apocalyptic number.

133212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133212130 is a deficient number, since it is larger than the sum of its proper divisors (107486174).

133212130 is a wasteful number, since it uses less digits than its factorization.

133212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50921.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133212130 is about 11541.7559322661. The cubic root of 133212130 is about 510.7181092374.

Adding to 133212130 its reverse (31212331), we get a palindrome (164424461).

It can be divided in two parts, 13321 and 2130, that added together give a palindrome (15451).

The spelling of 133212130 in words is "one hundred thirty-three million, two hundred twelve thousand, one hundred thirty".