6212471140 has 12 divisors (see below), whose sum is σ = 13046189436. Its totient is φ = 2484988448.

The previous prime is 6212471123. The next prime is 6212471141. The reversal of 6212471140 is 411742126.

It can be written as a sum of positive squares in 2 ways, for example, as 3651301476 + 2561169664 = 60426^2 + 50608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6212471099 and 6212471108.

It is not an unprimeable number, because it can be changed into a prime (6212471141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155311759 + ... + 155311798.

It is an arithmetic number, because the mean of its divisors is an integer number (1087182453).

Almost surely, 2^6212471140 is an apocalyptic number.

It is an amenable number.

6212471140 is an abundant number, since it is smaller than the sum of its proper divisors (6833718296).

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

6212471140 is a wasteful number, since it uses less digits than its factorization.

6212471140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310623566 (or 310623564 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 6212471140 is about 78819.2307752366. The cubic root of 6212471140 is about 1838.3214784667.

The spelling of 6212471140 in words is "six billion, two hundred twelve million, four hundred seventy-one thousand, one hundred forty".