345432452120 has 192 divisors, whose sum is σ = 931926552480. Its totient is φ = 114831489024.

The previous prime is 345432452107. The next prime is 345432452171. The reversal of 345432452120 is 21254234543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11531402 + ... + 11561318.

Almost surely, 2^345432452120 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 345432452120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465963276240).

345432452120 is an abundant number, since it is smaller than the sum of its proper divisors (586494100360).

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

345432452120 is a wasteful number, since it uses less digits than its factorization.

345432452120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30122 (or 30111 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 345432452120 its reverse (21254234543), we get a palindrome (366686686663).

The spelling of 345432452120 in words is "three hundred forty-five billion, four hundred thirty-two million, four hundred fifty-two thousand, one hundred twenty".