1266211230 has 16 divisors (see below), whose sum is σ = 3038907024. Its totient is φ = 337656320.

The previous prime is 1266211189. The next prime is 1266211237. The reversal of 1266211230 is 321126621.

It is a super-2 number, since 2×1266211230² = 3206581757956225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1266211230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266211237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21103491 + ... + 21103550.

It is an arithmetic number, because the mean of its divisors is an integer number (189931689).

Almost surely, 2^1266211230 is an apocalyptic number.

1266211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1266211230 is an abundant number, since it is smaller than the sum of its proper divisors (1772695794).

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

1266211230 is a wasteful number, since it uses less digits than its factorization.

1266211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42207051.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1266211230 is about 35583.8619320613. The cubic root of 1266211230 is about 1081.8541623147.

Adding to 1266211230 its reverse (321126621), we get a palindrome (1587337851).

The spelling of 1266211230 in words is "one billion, two hundred sixty-six million, two hundred eleven thousand, two hundred thirty".