1212210201023 has 8 divisors (see below), whose sum is σ = 1244094235776. Its totient is φ = 1180737573400.

The previous prime is 1212210201019. The next prime is 1212210201029. The reversal of 1212210201023 is 3201020122121.

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 1212210201023 - 2² = 1212210201019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212210200992 and 1212210201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210201029) 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, 102845813 + ... + 102857598.

It is an arithmetic number, because the mean of its divisors is an integer number (155511779472).

Almost surely, 2^{1212210201023} is an apocalyptic number.

1212210201023 is a deficient number, since it is larger than the sum of its proper divisors (31884034753).

1212210201023 is an equidigital number, since it uses as much as digits as its factorization.

1212210201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205703565.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212210201023 its reverse (3201020122121), we get a palindrome (4413230323144).

The spelling of 1212210201023 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, twenty-three".