1203220000 has 60 divisors (see below), whose sum is σ = 2960150886. Its totient is φ = 481280000.

The previous prime is 1203219977. The next prime is 1203220013. The reversal of 1203220000 is 223021.

It can be written as a sum of positive squares in 5 ways, for example, as 182034064 + 1021185936 = 13492^2 + 31956^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10081 + ... + 50080.

Almost surely, 2^1203220000 is an apocalyptic number.

1203220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203220000 is an abundant number, since it is smaller than the sum of its proper divisors (1756930886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203220000 is an frugal number, since it uses more digits than its factorization.

1203220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60191 (or 60168 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1203220000 is about 34687.4617116906. The cubic root of 1203220000 is about 1063.6082093416.

Adding to 1203220000 its reverse (223021), we get a palindrome (1203443021).

The spelling of 1203220000 in words is "one billion, two hundred three million, two hundred twenty thousand".