1220020012203 has 32 divisors (see below), whose sum is σ = 1657974398976. Its totient is φ = 797866288128.

The previous prime is 1220020012201. The next prime is 1220020012231. The reversal of 1220020012203 is 3022100200221.

It is a happy number.

It is not a de Polignac number, because 1220020012203 - 2¹ = 1220020012201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220020012201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40378900 + ... + 40409102.

It is an arithmetic number, because the mean of its divisors is an integer number (51811699968).

Almost surely, 2^{1220020012203} is an apocalyptic number.

1220020012203 is a deficient number, since it is larger than the sum of its proper divisors (437954386773).

1220020012203 is a wasteful number, since it uses less digits than its factorization.

1220020012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31523.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1220020012203 its reverse (3022100200221), we get a palindrome (4242120212424).

The spelling of 1220020012203 in words is "one trillion, two hundred twenty billion, twenty million, twelve thousand, two hundred three".