1012340000221 has 4 divisors (see below), whose sum is σ = 1104370909344. Its totient is φ = 920309091100.

The previous prime is 1012340000167. The next prime is 1012340000297. The reversal of 1012340000221 is 1220000432101.

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 not a de Polignac number, because 1012340000221 - 2¹⁵ = 1012339967453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012340000195 and 1012340000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012340000921) 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, 46015454545 + ... + 46015454566.

It is an arithmetic number, because the mean of its divisors is an integer number (276092727336).

Almost surely, 2^{1012340000221} is an apocalyptic number.

1012340000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012340000221 is a deficient number, since it is larger than the sum of its proper divisors (92030909123).

1012340000221 is an equidigital number, since it uses as much as digits as its factorization.

1012340000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92030909122.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1012340000221 its reverse (1220000432101), we get a palindrome (2232340432322).

The spelling of 1012340000221 in words is "one trillion, twelve billion, three hundred forty million, two hundred twenty-one", and thus it is an aban number.