6181212 has 24 divisors (see below), whose sum is σ = 14466816. Its totient is φ = 2054128.

The previous prime is 6181187. The next prime is 6181223. The reversal of 6181212 is 2121816.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5053 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (602784).

Almost surely, 2^6181212 is an apocalyptic number.

It is an amenable number.

6181212 is an abundant number, since it is smaller than the sum of its proper divisors (8285604).

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

6181212 is a wasteful number, since it uses less digits than its factorization.

6181212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1575 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 6181212 is about 2486.2043359306. The cubic root of 6181212 is about 183.5233013445.

It can be divided in two parts, 618 and 1212, that added together give a triangular number (1830 = T₆₀).

The spelling of 6181212 in words is "six million, one hundred eighty-one thousand, two hundred twelve".