1220010012002 has 4 divisors (see below), whose sum is σ = 1830015018006. Its totient is φ = 610005006000.

The previous prime is 1220010011999. The next prime is 1220010012029. The reversal of 1220010012002 is 2002100100221.

It is a happy number.

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., 845978692441 + 374031319561 = 919771^2 + 611581^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305002502999 + ... + 305002503002.

Almost surely, 2^{1220010012002} is an apocalyptic number.

1220010012002 is a deficient number, since it is larger than the sum of its proper divisors (610005006004).

1220010012002 is an equidigital number, since it uses as much as digits as its factorization.

1220010012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610005006003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220010012002 its reverse (2002100100221), we get a palindrome (3222110112223).

The spelling of 1220010012002 in words is "one trillion, two hundred twenty billion, ten million, twelve thousand, two".