1220001012202 has 32 divisors (see below), whose sum is σ = 2105456843520. Its totient is φ = 519351523200.

The previous prime is 1220001012169. The next prime is 1220001012221. The reversal of 1220001012202 is 2022101000221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46344748 + ... + 46371064.

It is an arithmetic number, because the mean of its divisors is an integer number (65795526360).

Almost surely, 2^{1220001012202} is an apocalyptic number.

1220001012202 is a deficient number, since it is larger than the sum of its proper divisors (885455831318).

1220001012202 is a wasteful number, since it uses less digits than its factorization.

1220001012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48406.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220001012202 its reverse (2022101000221), we get a palindrome (3242102012423).

The spelling of 1220001012202 in words is "one trillion, two hundred twenty billion, one million, twelve thousand, two hundred two".