2147346437412 has 144 divisors (see below), whose sum is σ = 5832821953280. Its totient is φ = 612679826880.

The previous prime is 2147346437387. The next prime is 2147346437413.

It is a happy number.

2147346437412 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2147346437412² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147346437413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4258083 + ... + 4735605.

Almost surely, 2^{2147346437412} is an apocalyptic number.

2147346437412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147346437412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916410976640).

2147346437412 is an abundant number, since it is smaller than the sum of its proper divisors (3685475515868).

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

2147346437412 is a wasteful number, since it uses less digits than its factorization.

2147346437412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477734 (or 477721 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 48.

The spelling of 2147346437412 in words is "two trillion, one hundred forty-seven billion, three hundred forty-six million, four hundred thirty-seven thousand, four hundred twelve".