1220002202050 has 48 divisors (see below), whose sum is σ = 2361022088040. Its totient is φ = 468449623040.

The previous prime is 1220002201997. The next prime is 1220002202051. The reversal of 1220002202050 is 502022000221.

It can be written as a sum of positive squares in 12 ways, for example, as 276961165441 + 943041036609 = 526271^2 + 971103^2 .

It is not an unprimeable number, because it can be changed into a prime (1220002202051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2180887 + ... + 2682586.

Almost surely, 2^{1220002202050} is an apocalyptic number.

1220002202050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220002202050 is a deficient number, since it is larger than the sum of its proper divisors (1141019885990).

1220002202050 is a wasteful number, since it uses less digits than its factorization.

1220002202050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863687 (or 4863682 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 1220002202050 its reverse (502022000221), we get a palindrome (1722024202271).

The spelling of 1220002202050 in words is "one trillion, two hundred twenty billion, two million, two hundred two thousand, fifty".