1012311201 has 16 divisors (see below), whose sum is σ = 1474449408. Its totient is φ = 612690000.

The previous prime is 1012311199. The next prime is 1012311227. The reversal of 1012311201 is 1021132101.

It is not a de Polignac number, because 1012311201 - 2¹ = 1012311199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012311281) 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, 4360 + ... + 45206.

It is an arithmetic number, because the mean of its divisors is an integer number (92153088).

Almost surely, 2^1012311201 is an apocalyptic number.

1012311201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012311201 is a deficient number, since it is larger than the sum of its proper divisors (462138207).

1012311201 is a wasteful number, since it uses less digits than its factorization.

1012311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41612.

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

The square root of 1012311201 is about 31816.8383250127. The cubic root of 1012311201 is about 1004.0870072822.

Adding to 1012311201 its reverse (1021132101), we get a palindrome (2033443302).

Subtracting 1012311201 from its reverse (1021132101), we obtain a square (8820900 = 2970²).

It can be divided in two parts, 1012 and 311201, that added together give a palindrome (312213).

The spelling of 1012311201 in words is "one billion, twelve million, three hundred eleven thousand, two hundred one".