312200130220201 has 4 divisors (see below), whose sum is σ = 313360725500100. Its totient is φ = 311039534940304.

The previous prime is 312200130220193. The next prime is 312200130220243. The reversal of 312200130220201 is 102022031002213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9610626210201 + 302589504010000 = 3100101^2 + 17395100^2 .

It is a cyclic number.

It is not a de Polignac number, because 312200130220201 - 2³ = 312200130220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312200130220261) 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, 580297639546 + ... + 580297640083.

It is an arithmetic number, because the mean of its divisors is an integer number (78340181375025).

Almost surely, 2^{312200130220201} is an apocalyptic number.

It is an amenable number.

312200130220201 is a deficient number, since it is larger than the sum of its proper divisors (1160595279899).

312200130220201 is a wasteful number, since it uses less digits than its factorization.

312200130220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160595279898.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312200130220201 its reverse (102022031002213), we get a palindrome (414222161222414).

The spelling of 312200130220201 in words is "three hundred twelve trillion, two hundred billion, one hundred thirty million, two hundred twenty thousand, two hundred one".