221212342002013 has 8 divisors (see below), whose sum is σ = 230830560773568. Its totient is φ = 211594147468704.

The previous prime is 221212342001999. The next prime is 221212342002049. The reversal of 221212342002013 is 310200243212122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221212342002013 - 2¹⁷ = 221212341870941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221212342002053) 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, 14003881 + ... + 25269217.

It is an arithmetic number, because the mean of its divisors is an integer number (28853820096696).

Almost surely, 2^{221212342002013} is an apocalyptic number.

221212342002013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

221212342002013 is a deficient number, since it is larger than the sum of its proper divisors (9618218771555).

221212342002013 is a wasteful number, since it uses less digits than its factorization.

221212342002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119123.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221212342002013 its reverse (310200243212122), we get a palindrome (531412585214135).

The spelling of 221212342002013 in words is "two hundred twenty-one trillion, two hundred twelve billion, three hundred forty-two million, two thousand, thirteen".