6211121535712 has 96 divisors (see below), whose sum is σ = 13200771074400. Its totient is φ = 2865948131328.

The previous prime is 6211121535673. The next prime is 6211121535733. The reversal of 6211121535712 is 2175351211126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12236608 + ... + 12734080.

It is an arithmetic number, because the mean of its divisors is an integer number (137508032025).

Almost surely, 2^{6211121535712} 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 6211121535712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6600385537200).

6211121535712 is an abundant number, since it is smaller than the sum of its proper divisors (6989649538688).

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

6211121535712 is a wasteful number, since it uses less digits than its factorization.

6211121535712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497948 (or 497940 counting only the distinct ones).

The product of its digits is 25200, while the sum is 37.

Adding to 6211121535712 its reverse (2175351211126), we get a palindrome (8386472746838).

The spelling of 6211121535712 in words is "six trillion, two hundred eleven billion, one hundred twenty-one million, five hundred thirty-five thousand, seven hundred twelve".