1210200030 has 48 divisors (see below), whose sum is σ = 3388563360. Its totient is φ = 297895104.

The previous prime is 1210199989. The next prime is 1210200053. The reversal of 1210200030 is 300020121.

It is a happy number.

It is a super-2 number, since 2×1210200030² = 2929168225224001800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1210199985 and 1210200021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516010 + ... + 518349.

It is an arithmetic number, because the mean of its divisors is an integer number (70595070).

Almost surely, 2^1210200030 is an apocalyptic number.

1210200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210200030 is an abundant number, since it is smaller than the sum of its proper divisors (2178363330).

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

1210200030 is a wasteful number, since it uses less digits than its factorization.

1210200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034385 (or 1034382 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1210200030 is about 34787.9293721256. The cubic root of 1210200030 is about 1065.6609532048.

Adding to 1210200030 its reverse (300020121), we get a palindrome (1510220151).

The spelling of 1210200030 in words is "one billion, two hundred ten million, two hundred thousand, thirty".