1103020212 has 48 divisors (see below), whose sum is σ = 3013137792. Its totient is φ = 307461120.

The previous prime is 1103020211. The next prime is 1103020213. The reversal of 1103020212 is 2120203011.

It is an interprime number because it is at equal distance from previous prime (1103020211) and next prime (1103020213).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103020211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156693 + ... + 163580.

It is an arithmetic number, because the mean of its divisors is an integer number (62773704).

Almost surely, 2^1103020212 is an apocalyptic number.

1103020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103020212 is an abundant number, since it is smaller than the sum of its proper divisors (1910117580).

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

1103020212 is a wasteful number, since it uses less digits than its factorization.

1103020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320328 (or 320326 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1103020212 is about 33211.7481021400. The cubic root of 1103020212 is about 1033.2240111424.

Adding to 1103020212 its reverse (2120203011), we get a palindrome (3223223223).

The spelling of 1103020212 in words is "one billion, one hundred three million, twenty thousand, two hundred twelve".