2122420404002 has 4 divisors (see below), whose sum is σ = 3183630606006. Its totient is φ = 1061210202000.

The previous prime is 2122420403989. The next prime is 2122420404043. The reversal of 2122420404002 is 2004040242212.

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., 1866636330001 + 255784074001 = 1366249^2 + 505751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530605100999 + ... + 530605101002.

Almost surely, 2^{2122420404002} is an apocalyptic number.

2122420404002 is a deficient number, since it is larger than the sum of its proper divisors (1061210202004).

2122420404002 is a wasteful number, since it uses less digits than its factorization.

2122420404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061210202003.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 2122420404002 its reverse (2004040242212), we get a palindrome (4126460646214).

The spelling of 2122420404002 in words is "two trillion, one hundred twenty-two billion, four hundred twenty million, four hundred four thousand, two".