1213310221019 has 8 divisors (see below), whose sum is σ = 1307703241152. Its totient is φ = 1119068838720.

The previous prime is 1213310220971. The next prime is 1213310221021. The reversal of 1213310221019 is 9101220133121.

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 1213310221019 - 2²⁸ = 1213041785563 is a prime.

It is a super-2 number, since 2×1213310221019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213310221099) 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, 37892834 + ... + 37924839.

It is an arithmetic number, because the mean of its divisors is an integer number (163462905144).

Almost surely, 2^{1213310221019} is an apocalyptic number.

1213310221019 is a deficient number, since it is larger than the sum of its proper divisors (94393020133).

1213310221019 is a wasteful number, since it uses less digits than its factorization.

1213310221019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75818917.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 1213310221019 in words is "one trillion, two hundred thirteen billion, three hundred ten million, two hundred twenty-one thousand, nineteen".