1253343324012 has 96 divisors (see below), whose sum is σ = 3198561644544. Its totient is φ = 379669248000.

The previous prime is 1253343323959. The next prime is 1253343324043. The reversal of 1253343324012 is 2104233433521.

It is a super-2 number, since 2×1253343324012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2673387 + ... + 3107037.

It is an arithmetic number, because the mean of its divisors is an integer number (33318350464).

Almost surely, 2^{1253343324012} is an apocalyptic number.

1253343324012 is a gapful number since it is divisible by the number (12) 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 1253343324012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599280822272).

1253343324012 is an abundant number, since it is smaller than the sum of its proper divisors (1945218320532).

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

1253343324012 is a wasteful number, since it uses less digits than its factorization.

1253343324012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433959 (or 433957 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 1253343324012 its reverse (2104233433521), we get a palindrome (3357576757533).

The spelling of 1253343324012 in words is "one trillion, two hundred fifty-three billion, three hundred forty-three million, three hundred twenty-four thousand, twelve".