1210020010030 has 32 divisors (see below), whose sum is σ = 2347809272928. Its totient is φ = 446351472000.

The previous prime is 1210020010007. The next prime is 1210020010079. The reversal of 1210020010030 is 300100200121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1210020009989 and 1210020010016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4291461 + ... + 4564720.

It is an arithmetic number, because the mean of its divisors is an integer number (73369039779).

Almost surely, 2^{1210020010030} is an apocalyptic number.

1210020010030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210020010030 is a deficient number, since it is larger than the sum of its proper divisors (1137789262898).

1210020010030 is a wasteful number, since it uses less digits than its factorization.

1210020010030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857252.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1210020010030 its reverse (300100200121), we get a palindrome (1510120210151).

The spelling of 1210020010030 in words is "one trillion, two hundred ten billion, twenty million, ten thousand, thirty".