3212122221002 has 4 divisors (see below), whose sum is σ = 4818183331506. Its totient is φ = 1606061110500.

The previous prime is 3212122221001. The next prime is 3212122221029. The reversal of 3212122221002 is 2001222212123.

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., 1790755152481 + 1421367068521 = 1338191^2 + 1192211^2 .

It is not an unprimeable number, because it can be changed into a prime (3212122221001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803030555249 + ... + 803030555252.

Almost surely, 2^{3212122221002} is an apocalyptic number.

3212122221002 is a deficient number, since it is larger than the sum of its proper divisors (1606061110504).

3212122221002 is a wasteful number, since it uses less digits than its factorization.

3212122221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606061110503.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 3212122221002 its reverse (2001222212123), we get a palindrome (5213344433125).

The spelling of 3212122221002 in words is "three trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, two".