1212948827 has 16 divisors (see below), whose sum is σ = 1309898304. Its totient is φ = 1118976000.

The previous prime is 1212948823. The next prime is 1212948833. The reversal of 1212948827 is 7288492121.

It is a cyclic number.

It is not a de Polignac number, because 1212948827 - 2² = 1212948823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212948823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320627 + ... + 324387.

It is an arithmetic number, because the mean of its divisors is an integer number (81868644).

Almost surely, 2^1212948827 is an apocalyptic number.

1212948827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1212948827 is a deficient number, since it is larger than the sum of its proper divisors (96949477).

1212948827 is a wasteful number, since it uses less digits than its factorization.

1212948827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150.

The product of its digits is 129024, while the sum is 44.

The square root of 1212948827 is about 34827.4148767892. The cubic root of 1212948827 is about 1066.4671754641.

The spelling of 1212948827 in words is "one billion, two hundred twelve million, nine hundred forty-eight thousand, eight hundred twenty-seven".