126202022012002 has 4 divisors (see below), whose sum is σ = 189303033018006. Its totient is φ = 63101011006000.

The previous prime is 126202022011997. The next prime is 126202022012009. The reversal of 126202022012002 is 200210220202621.

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., 122508172492281 + 3693849519721 = 11068341^2 + 1921939^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (126202022012009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31550505502999 + ... + 31550505503002.

Almost surely, 2^{126202022012002} is an apocalyptic number.

126202022012002 is a deficient number, since it is larger than the sum of its proper divisors (63101011006004).

126202022012002 is an equidigital number, since it uses as much as digits as its factorization.

126202022012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63101011006003.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 126202022012002 its reverse (200210220202621), we get a palindrome (326412242214623).

The spelling of 126202022012002 in words is "one hundred twenty-six trillion, two hundred two billion, twenty-two million, twelve thousand, two".