1031201012 has 6 divisors (see below), whose sum is σ = 1804601778. Its totient is φ = 515600504.

The previous prime is 1031200979. The next prime is 1031201069. The reversal of 1031201012 is 2101021301.

It can be written as a sum of positive squares in only one way, i.e., 885419536 + 145781476 = 29756^2 + 12074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1031200984 and 1031201002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128900123 + ... + 128900130.

It is an arithmetic number, because the mean of its divisors is an integer number (300766963).

Almost surely, 2^1031201012 is an apocalyptic number.

It is an amenable number.

1031201012 is a deficient number, since it is larger than the sum of its proper divisors (773400766).

1031201012 is a wasteful number, since it uses less digits than its factorization.

1031201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257800257 (or 257800255 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1031201012 is about 32112.3186954788. The cubic root of 1031201012 is about 1010.2940071433.

Adding to 1031201012 its reverse (2101021301), we get a palindrome (3132222313).

The spelling of 1031201012 in words is "one billion, thirty-one million, two hundred one thousand, twelve".