3112212001 has 4 divisors (see below), whose sum is σ = 3124611504. Its totient is φ = 3099812500.

The previous prime is 3112211959. The next prime is 3112212011. The reversal of 3112212001 is 1002122113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1002122113 = 11119 ⋅90127.

It is a cyclic number.

It is not a de Polignac number, because 3112212001 - 2¹⁷ = 3112080929 is a prime.

It is a super-3 number, since 3×3112212001³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112212011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6199375 + ... + 6199876.

It is an arithmetic number, because the mean of its divisors is an integer number (781152876).

Almost surely, 2^3112212001 is an apocalyptic number.

It is an amenable number.

3112212001 is a deficient number, since it is larger than the sum of its proper divisors (12399503).

3112212001 is a wasteful number, since it uses less digits than its factorization.

3112212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12399502.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3112212001 is about 55787.2028425875. The cubic root of 3112212001 is about 1460.0118847159.

Adding to 3112212001 its reverse (1002122113), we get a palindrome (4114334114).

The spelling of 3112212001 in words is "three billion, one hundred twelve million, two hundred twelve thousand, one".