1215341213401 has 32 divisors (see below), whose sum is σ = 1459728230400. Its totient is φ = 990026634240.

The previous prime is 1215341213381. The next prime is 1215341213467. The reversal of 1215341213401 is 1043121435121.

It is not a de Polignac number, because 1215341213401 - 2⁵ = 1215341213369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1215341213401.

It is not an unprimeable number, because it can be changed into a prime (1215311213401) 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, 2445435 + ... + 2900143.

It is an arithmetic number, because the mean of its divisors is an integer number (45616507200).

Almost surely, 2^{1215341213401} is an apocalyptic number.

It is an amenable number.

1215341213401 is a deficient number, since it is larger than the sum of its proper divisors (244387016999).

1215341213401 is a wasteful number, since it uses less digits than its factorization.

1215341213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454969.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 1215341213401 its reverse (1043121435121), we get a palindrome (2258462648522).

The spelling of 1215341213401 in words is "one trillion, two hundred fifteen billion, three hundred forty-one million, two hundred thirteen thousand, four hundred one".