1012211210 has 16 divisors (see below), whose sum is σ = 1849175136. Its totient is φ = 398841168.

The previous prime is 1012211197. The next prime is 1012211227. The reversal of 1012211210 is 121122101.

It is a junction number, because it is equal to n+sod(n) for n = 1012211191 and 1012211200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754712 + ... + 756051.

It is an arithmetic number, because the mean of its divisors is an integer number (115573446).

Almost surely, 2^1012211210 is an apocalyptic number.

1012211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012211210 is a deficient number, since it is larger than the sum of its proper divisors (836963926).

1012211210 is a wasteful number, since it uses less digits than its factorization.

1012211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510837.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1012211210 is about 31815.2669327164. The cubic root of 1012211210 is about 1004.0539466418.

Adding to 1012211210 its reverse (121122101), we get a palindrome (1133333311).

The spelling of 1012211210 in words is "one billion, twelve million, two hundred eleven thousand, two hundred ten".