1001051012 has 24 divisors (see below), whose sum is σ = 1887716376. Its totient is φ = 461749248.

The previous prime is 1001050991. The next prime is 1001051017. The reversal of 1001051012 is 2101501001.

It can be written as a sum of positive squares in 4 ways, for example, as 341056 + 1000709956 = 584^2 + 31634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001050984 and 1001051002.

It is not an unprimeable number, because it can be changed into a prime (1001051017) 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, 102068 + ... + 111444.

It is an arithmetic number, because the mean of its divisors is an integer number (78654849).

Almost surely, 2^1001051012 is an apocalyptic number.

It is an amenable number.

1001051012 is a deficient number, since it is larger than the sum of its proper divisors (886665364).

1001051012 is a wasteful number, since it uses less digits than its factorization.

1001051012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11447 (or 11445 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1001051012 is about 31639.3901963992. The cubic root of 1001051012 is about 1000.3502146687.

Adding to 1001051012 its reverse (2101501001), we get a palindrome (3102552013).

The spelling of 1001051012 in words is "one billion, one million, fifty-one thousand, twelve".