30212220311203 has 32 divisors (see below), whose sum is σ = 34859779448832. Its totient is φ = 25648909977600.

The previous prime is 30212220311171. The next prime is 30212220311233. The reversal of 30212220311203 is 30211302221203.

It is not a de Polignac number, because 30212220311203 - 2⁵ = 30212220311171 is a prime.

It is a super-2 number, since 2×30212220311203² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212220311233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369477843 + ... + 369559603.

It is an arithmetic number, because the mean of its divisors is an integer number (1089368107776).

Almost surely, 2^{30212220311203} is an apocalyptic number.

30212220311203 is a deficient number, since it is larger than the sum of its proper divisors (4647559137629).

30212220311203 is a wasteful number, since it uses less digits than its factorization.

30212220311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83155.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30212220311203 its reverse (30211302221203), we get a palindrome (60423522532406).

Subtracting from 30212220311203 its reverse (30211302221203), we obtain a square (918090000 = 30300²).

The spelling of 30212220311203 in words is "thirty trillion, two hundred twelve billion, two hundred twenty million, three hundred eleven thousand, two hundred three".