12210122002 has 8 divisors (see below), whose sum is σ = 19724043276. Its totient is φ = 5635440912.

The previous prime is 12210121969. The next prime is 12210122017. The reversal of 12210122002 is 20022101221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11975143761 + 234978241 = 109431^2 + 15329^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234810013 + ... + 234810064.

Almost surely, 2^12210122002 is an apocalyptic number.

12210122002 is a deficient number, since it is larger than the sum of its proper divisors (7513921274).

12210122002 is a wasteful number, since it uses less digits than its factorization.

12210122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469620092.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12210122002 its reverse (20022101221), we get a palindrome (32232223223).

The spelling of 12210122002 in words is "twelve billion, two hundred ten million, one hundred twenty-two thousand, two".