1220202102002 has 8 divisors (see below), whose sum is σ = 1971095703276. Its totient is φ = 563170200912.

The previous prime is 1220202101977. The next prime is 1220202102013. The reversal of 1220202102002 is 2002012020221.

It can be written as a sum of positive squares in 2 ways, for example, as 946263963121 + 273938138881 = 972761^2 + 523391^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23465425013 + ... + 23465425064.

Almost surely, 2^{1220202102002} is an apocalyptic number.

1220202102002 is a deficient number, since it is larger than the sum of its proper divisors (750893601274).

1220202102002 is a wasteful number, since it uses less digits than its factorization.

1220202102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46930850092.

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

Adding to 1220202102002 its reverse (2002012020221), we get a palindrome (3222214122223).

The spelling of 1220202102002 in words is "one trillion, two hundred twenty billion, two hundred two million, one hundred two thousand, two".