1012211250 has 40 divisors (see below), whose sum is σ = 2529727728. Its totient is φ = 269922000.

The previous prime is 1012211237. The next prime is 1012211261. The reversal of 1012211250 is 521122101.

1012211250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1012211250³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 131212 + ... + 138711.

Almost surely, 2^1012211250 is an apocalyptic number.

1012211250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012211250 is an abundant number, since it is smaller than the sum of its proper divisors (1517516478).

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

1012211250 is an equidigital number, since it uses as much as digits as its factorization.

1012211250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269948 (or 269933 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1012211250 is about 31815.2675613454. The cubic root of 1012211250 is about 1004.0539598677.

Adding to 1012211250 its reverse (521122101), we get a palindrome (1533333351).

The spelling of 1012211250 in words is "one billion, twelve million, two hundred eleven thousand, two hundred fifty".