1021232212493 has 2 divisors, whose sum is σ = 1021232212494. Its totient is φ = 1021232212492.

The previous prime is 1021232212439. The next prime is 1021232212579. The reversal of 1021232212493 is 3942122321201.

Together with previous prime (1021232212439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631640278564 + 389591933929 = 794758^2 + 624173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021232212493 - 2¹⁰ = 1021232211469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021232212423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510616106246 + 510616106247.

It is an arithmetic number, because the mean of its divisors is an integer number (510616106247).

Almost surely, 2^{1021232212493} is an apocalyptic number.

It is an amenable number.

1021232212493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021232212493 is an equidigital number, since it uses as much as digits as its factorization.

1021232212493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 1021232212493 its reverse (3942122321201), we get a palindrome (4963354533694).

The spelling of 1021232212493 in words is "one trillion, twenty-one billion, two hundred thirty-two million, two hundred twelve thousand, four hundred ninety-three".