1311411214212 has 96 divisors (see below), whose sum is σ = 3352557594624. Its totient is φ = 395682537600.

The previous prime is 1311411214189. The next prime is 1311411214273. The reversal of 1311411214212 is 2124121141131.

It is a nude number because it is divisible by every one of its digits.

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, 61624518 + ... + 61645794.

It is an arithmetic number, because the mean of its divisors is an integer number (34922474944).

Almost surely, 2^{1311411214212} is an apocalyptic number.

1311411214212 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 1311411214212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676278797312).

1311411214212 is an abundant number, since it is smaller than the sum of its proper divisors (2041146380412).

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

1311411214212 is a wasteful number, since it uses less digits than its factorization.

1311411214212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289 (or 23287 counting only the distinct ones).

The product of its digits is 384, while the sum is 24.

Adding to 1311411214212 its reverse (2124121141131), we get a palindrome (3435532355343).

The spelling of 1311411214212 in words is "one trillion, three hundred eleven billion, four hundred eleven million, two hundred fourteen thousand, two hundred twelve".