131212202 has 8 divisors (see below), whose sum is σ = 214710912. Its totient is φ = 59641900.

The previous prime is 131212199. The next prime is 131212223. The reversal of 131212202 is 202212131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2982074 + ... + 2982117.

It is an arithmetic number, because the mean of its divisors is an integer number (26838864).

Almost surely, 2^131212202 is an apocalyptic number.

131212202 is a deficient number, since it is larger than the sum of its proper divisors (83498710).

131212202 is a wasteful number, since it uses less digits than its factorization.

131212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964204.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 131212202 is about 11454.7894786417. The cubic root of 131212202 is about 508.1493892798.

Adding to 131212202 its reverse (202212131), we get a palindrome (333424333).

The spelling of 131212202 in words is "one hundred thirty-one million, two hundred twelve thousand, two hundred two".