1265572212060 has 192 divisors, whose sum is σ = 3928718707200. Its totient is φ = 302379568128.

The previous prime is 1265572212017. The next prime is 1265572212127. The reversal of 1265572212060 is 602122755621.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12040011 + ... + 12144669.

It is an arithmetic number, because the mean of its divisors is an integer number (20462076600).

Almost surely, 2^{1265572212060} is an apocalyptic number.

1265572212060 is a gapful number since it is divisible by the number (10) 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 1265572212060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964359353600).

1265572212060 is an abundant number, since it is smaller than the sum of its proper divisors (2663146495140).

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

1265572212060 is a wasteful number, since it uses less digits than its factorization.

1265572212060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105140 (or 105138 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

Adding to 1265572212060 its reverse (602122755621), we get a palindrome (1867694967681).

The spelling of 1265572212060 in words is "one trillion, two hundred sixty-five billion, five hundred seventy-two million, two hundred twelve thousand, sixty".