30213203122 has 8 divisors (see below), whose sum is σ = 45324339372. Its totient is φ = 15105090000.

The previous prime is 30213203101. The next prime is 30213203129. The reversal of 30213203122 is 22130231203.

It can be written as a sum of positive squares in 2 ways, for example, as 29842217001 + 370986121 = 172749^2 + 19261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30213203122.

It is not an unprimeable number, because it can be changed into a prime (30213203129) 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, 730629 + ... + 770872.

Almost surely, 2^30213203122 is an apocalyptic number.

30213203122 is a deficient number, since it is larger than the sum of its proper divisors (15111136250).

30213203122 is a wasteful number, since it uses less digits than its factorization.

30213203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511564.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30213203122 its reverse (22130231203), we get a palindrome (52343434325).

The spelling of 30213203122 in words is "thirty billion, two hundred thirteen million, two hundred three thousand, one hundred twenty-two".