1212871410 has 48 divisors (see below), whose sum is σ = 3155344920. Its totient is φ = 323239680.

The previous prime is 1212871393. The next prime is 1212871469. The reversal of 1212871410 is 141782121.

It can be written as a sum of positive squares in 4 ways, for example, as 1127549241 + 85322169 = 33579^2 + 9237^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212190 + ... + 217830.

Almost surely, 2^1212871410 is an apocalyptic number.

1212871410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212871410 is an abundant number, since it is smaller than the sum of its proper divisors (1942473510).

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

1212871410 is a wasteful number, since it uses less digits than its factorization.

1212871410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043 (or 8040 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1212871410 is about 34826.3034214084. The cubic root of 1212871410 is about 1066.4444857337. Note that the first 4 decimals are identical.

It can be divided in two parts, 12128 and 71410, that added together give a palindrome (83538).

The spelling of 1212871410 in words is "one billion, two hundred twelve million, eight hundred seventy-one thousand, four hundred ten".