1215100214322 has 16 divisors (see below), whose sum is σ = 2431667075232. Its totient is φ = 404788963680.

The previous prime is 1215100214311. The next prime is 1215100214329. The reversal of 1215100214322 is 2234120015121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1215100214292 and 1215100214301.

It is not an unprimeable number, because it can be changed into a prime (1215100214329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61099504 + ... + 61119387.

It is an arithmetic number, because the mean of its divisors is an integer number (151979192202).

Almost surely, 2^{1215100214322} is an apocalyptic number.

1215100214322 is an abundant number, since it is smaller than the sum of its proper divisors (1216566860910).

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

1215100214322 is a wasteful number, since it uses less digits than its factorization.

1215100214322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122220553.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1215100214322 its reverse (2234120015121), we get a palindrome (3449220229443).

The spelling of 1215100214322 in words is "one trillion, two hundred fifteen billion, one hundred million, two hundred fourteen thousand, three hundred twenty-two".