1230212110405 has 16 divisors (see below), whose sum is σ = 1501645178880. Its totient is φ = 967354322688.

The previous prime is 1230212110397. The next prime is 1230212110411. The reversal of 1230212110405 is 5040112120321.

It is a cyclic number.

It is not a de Polignac number, because 1230212110405 - 2³ = 1230212110397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6895012 + ... + 7071181.

It is an arithmetic number, because the mean of its divisors is an integer number (93852823680).

Almost surely, 2^{1230212110405} is an apocalyptic number.

It is an amenable number.

1230212110405 is a deficient number, since it is larger than the sum of its proper divisors (271433068475).

1230212110405 is a wasteful number, since it uses less digits than its factorization.

1230212110405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13966500.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1230212110405 its reverse (5040112120321), we get a palindrome (6270324230726).

The spelling of 1230212110405 in words is "one trillion, two hundred thirty billion, two hundred twelve million, one hundred ten thousand, four hundred five".