6261140212 has 12 divisors (see below), whose sum is σ = 11107091716. Its totient is φ = 3087685440.

The previous prime is 6261140209. The next prime is 6261140231. The reversal of 6261140212 is 2120411626.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1621350756 + 4639789456 = 40266^2 + 68116^2 .

It is a congruent number.

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, 10720839 + ... + 10721422.

Almost surely, 2^6261140212 is an apocalyptic number.

It is an amenable number.

6261140212 is a deficient number, since it is larger than the sum of its proper divisors (4845951504).

6261140212 is a wasteful number, since it uses less digits than its factorization.

6261140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21442338 (or 21442336 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 6261140212 is about 79127.3670230471. The cubic root of 6261140212 is about 1843.1095235016.

Adding to 6261140212 its reverse (2120411626), we get a palindrome (8381551838).

The spelling of 6261140212 in words is "six billion, two hundred sixty-one million, one hundred forty thousand, two hundred twelve".