1215420014233 has 4 divisors (see below), whose sum is σ = 1215424512000. Its totient is φ = 1215415516468.

The previous prime is 1215420014197. The next prime is 1215420014299. The reversal of 1215420014233 is 3324100245121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1215420014233 is a prime.

It is a super-4 number, since 4×1215420014233⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1215420018233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815733 + ... + 2393266.

It is an arithmetic number, because the mean of its divisors is an integer number (303856128000).

Almost surely, 2^{1215420014233} is an apocalyptic number.

It is an amenable number.

1215420014233 is a deficient number, since it is larger than the sum of its proper divisors (4497767).

1215420014233 is an equidigital number, since it uses as much as digits as its factorization.

1215420014233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497766.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1215420014233 its reverse (3324100245121), we get a palindrome (4539520259354).

The spelling of 1215420014233 in words is "one trillion, two hundred fifteen billion, four hundred twenty million, fourteen thousand, two hundred thirty-three".