1201022010 has 24 divisors (see below), whose sum is σ = 3122657460. Its totient is φ = 320272512.

The previous prime is 1201021963. The next prime is 1201022041. The reversal of 1201022010 is 102201021.

It can be written as a sum of positive squares in 2 ways, for example, as 1178068329 + 22953681 = 34323^2 + 4791^2 .

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 = 1201021983 and 1201022001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6672255 + ... + 6672434.

Almost surely, 2^1201022010 is an apocalyptic number.

1201022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201022010 is an abundant number, since it is smaller than the sum of its proper divisors (1921635450).

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

1201022010 is a wasteful number, since it uses less digits than its factorization.

1201022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344702 (or 13344699 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1201022010 is about 34655.7644555707. The cubic root of 1201022010 is about 1062.9601634910.

Adding to 1201022010 its reverse (102201021), we get a palindrome (1303223031).

The spelling of 1201022010 in words is "one billion, two hundred one million, twenty-two thousand, ten".