20121222002 has 8 divisors (see below), whose sum is σ = 34493523456. Its totient is φ = 8623380852.

The previous prime is 20121222001. The next prime is 20121222041. The reversal of 20121222002 is 20022212102.

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 (14), and also a Moran number because the ratio is a prime number: 1437230143 = 20121222002 / (2 + 0 + 1 + 2 + 1 + 2 + 2 + 2 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (20121222001) 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, 718615058 + ... + 718615085.

It is an arithmetic number, because the mean of its divisors is an integer number (4311690432).

Almost surely, 2^20121222002 is an apocalyptic number.

20121222002 is a deficient number, since it is larger than the sum of its proper divisors (14372301454).

20121222002 is a wasteful number, since it uses less digits than its factorization.

20121222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437230152.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20121222002 its reverse (20022212102), we get a palindrome (40143434104).

The spelling of 20121222002 in words is "twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two".