31212122121214 has 8 divisors (see below), whose sum is σ = 46831702736880. Its totient is φ = 15601554542256.

The previous prime is 31212122121181. The next prime is 31212122121221. The reversal of 31212122121214 is 41212122121213.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253250519 + ... + 2253264370.

It is an arithmetic number, because the mean of its divisors is an integer number (5853962842110).

Almost surely, 2^{31212122121214} is an apocalyptic number.

31212122121214 is a deficient number, since it is larger than the sum of its proper divisors (15619580615666).

31212122121214 is a wasteful number, since it uses less digits than its factorization.

31212122121214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506518354.

The product of its digits is 768, while the sum is 25.

Adding to 31212122121214 its reverse (41212122121213), we get a palindrome (72424244242427).

Subtracting 31212122121214 from its reverse (41212122121213), we obtain a palindrome (9999999999999).

The spelling of 31212122121214 in words is "thirty-one trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred fourteen".