3123212212101 has 8 divisors (see below), whose sum is σ = 4169108309760. Its totient is φ = 2079728794592.

The previous prime is 3123212212097. The next prime is 3123212212111. The reversal of 3123212212101 is 1012122123213.

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

It is a cyclic number.

It is not a de Polignac number, because 3123212212101 - 2² = 3123212212097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123212212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603167016 + ... + 603172193.

It is an arithmetic number, because the mean of its divisors is an integer number (521138538720).

Almost surely, 2^{3123212212101} is an apocalyptic number.

It is an amenable number.

3123212212101 is a deficient number, since it is larger than the sum of its proper divisors (1045896097659).

3123212212101 is a wasteful number, since it uses less digits than its factorization.

3123212212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206340075.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 3123212212101 its reverse (1012122123213), we get a palindrome (4135334335314).

The spelling of 3123212212101 in words is "three trillion, one hundred twenty-three billion, two hundred twelve million, two hundred twelve thousand, one hundred one".