1022012203 has 2 divisors, whose sum is σ = 1022012204. Its totient is φ = 1022012202.

The previous prime is 1022012183. The next prime is 1022012213. The reversal of 1022012203 is 3022102201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022012203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022012213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511006101 + 511006102.

It is an arithmetic number, because the mean of its divisors is an integer number (511006102).

Almost surely, 2^1022012203 is an apocalyptic number.

1022012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022012203 is an equidigital number, since it uses as much as digits as its factorization.

1022012203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1022012203 is about 31968.9255840730. The cubic root of 1022012203 is about 1007.2842124166.

Adding to 1022012203 its reverse (3022102201), we get a palindrome (4044114404).

The spelling of 1022012203 in words is "one billion, twenty-two million, twelve thousand, two hundred three".