212030331122 has 4 divisors (see below), whose sum is σ = 318045496686. Its totient is φ = 106015165560.

The previous prime is 212030331101. The next prime is 212030331137. The reversal of 212030331122 is 221133030212.

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

It can be written as a sum of positive squares in only one way, i.e., 123678119041 + 88352212081 = 351679^2 + 297241^2 .

It is a super-2 number, since 2×212030331122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212030331094 and 212030331103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53007582779 + ... + 53007582782.

Almost surely, 2^212030331122 is an apocalyptic number.

212030331122 is a deficient number, since it is larger than the sum of its proper divisors (106015165564).

212030331122 is a wasteful number, since it uses less digits than its factorization.

212030331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106015165563.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212030331122 its reverse (221133030212), we get a palindrome (433163361334).

The spelling of 212030331122 in words is "two hundred twelve billion, thirty million, three hundred thirty-one thousand, one hundred twenty-two".