351212144 has 40 divisors (see below), whose sum is σ = 706657152. Its totient is φ = 168917760.

The previous prime is 351212143. The next prime is 351212167. The reversal of 351212144 is 441212153.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351212143) 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, 83762 + ... + 87854.

Almost surely, 2^351212144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351212144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353328576).

351212144 is an abundant number, since it is smaller than the sum of its proper divisors (355445008).

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

351212144 is a wasteful number, since it uses less digits than its factorization.

351212144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4299 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 351212144 is about 18740.6548444818. The cubic root of 351212144 is about 705.5424920951.

Adding to 351212144 its reverse (441212153), we get a palindrome (792424297).

Subtracting 351212144 from its reverse (441212153), we obtain a palindrome (90000009).

The spelling of 351212144 in words is "three hundred fifty-one million, two hundred twelve thousand, one hundred forty-four".