712121002222 has 48 divisors (see below), whose sum is σ = 1255112990208. Its totient is φ = 302126630400.

The previous prime is 712121002163. The next prime is 712121002249. The reversal of 712121002222 is 222200121217.

It is a junction number, because it is equal to n+sod(n) for n = 712121002193 and 712121002202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5625222 + ... + 5750422.

It is an arithmetic number, because the mean of its divisors is an integer number (26148187296).

Almost surely, 2^712121002222 is an apocalyptic number.

712121002222 is a deficient number, since it is larger than the sum of its proper divisors (542991987986).

712121002222 is a wasteful number, since it uses less digits than its factorization.

712121002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125801 (or 125794 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 712121002222 its reverse (222200121217), we get a palindrome (934321123439).

The spelling of 712121002222 in words is "seven hundred twelve billion, one hundred twenty-one million, two thousand, two hundred twenty-two".