1000312121132 has 6 divisors (see below), whose sum is σ = 1750546211988. Its totient is φ = 500156060564.

The previous prime is 1000312121113. The next prime is 1000312121141. The reversal of 1000312121132 is 2311212130001.

It is a super-2 number, since 2×1000312121132² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000312121132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125039015138 + ... + 125039015145.

It is an arithmetic number, because the mean of its divisors is an integer number (291757701998).

Almost surely, 2^{1000312121132} is an apocalyptic number.

It is an amenable number.

1000312121132 is a deficient number, since it is larger than the sum of its proper divisors (750234090856).

1000312121132 is a wasteful number, since it uses less digits than its factorization.

1000312121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250078030287 (or 250078030285 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1000312121132 its reverse (2311212130001), we get a palindrome (3311524251133).

The spelling of 1000312121132 in words is "one trillion, three hundred twelve million, one hundred twenty-one thousand, one hundred thirty-two".