1230210101 has 4 divisors (see below), whose sum is σ = 1256384832. Its totient is φ = 1204035372.

The previous prime is 1230210097. The next prime is 1230210143. The reversal of 1230210101 is 1010120321.

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 1230210101 - 2² = 1230210097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230210601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13087295 + ... + 13087388.

It is an arithmetic number, because the mean of its divisors is an integer number (314096208).

Almost surely, 2^1230210101 is an apocalyptic number.

It is an amenable number.

1230210101 is a deficient number, since it is larger than the sum of its proper divisors (26174731).

1230210101 is an equidigital number, since it uses as much as digits as its factorization.

1230210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26174730.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1230210101 is about 35074.3510417513. The cubic root of 1230210101 is about 1071.5022718767.

Adding to 1230210101 its reverse (1010120321), we get a palindrome (2240330422).

The spelling of 1230210101 in words is "one billion, two hundred thirty million, two hundred ten thousand, one hundred one".