1356211543512 has 128 divisors (see below), whose sum is σ = 3982508236800. Its totient is φ = 376873630848.

The previous prime is 1356211543487. The next prime is 1356211543513. The reversal of 1356211543512 is 2153451126531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356211543513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126643 + ... + 1651805.

It is an arithmetic number, because the mean of its divisors is an integer number (31113345600).

Almost surely, 2^{1356211543512} is an apocalyptic number.

1356211543512 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 1356211543512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991254118400).

1356211543512 is an abundant number, since it is smaller than the sum of its proper divisors (2626296693288).

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

1356211543512 is a wasteful number, since it uses less digits than its factorization.

1356211543512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525325 (or 1525321 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The spelling of 1356211543512 in words is "one trillion, three hundred fifty-six billion, two hundred eleven million, five hundred forty-three thousand, five hundred twelve".