1012101201 has 12 divisors (see below), whose sum is σ = 1476996612. Its totient is φ = 667777536.

The previous prime is 1012101179. The next prime is 1012101257. The reversal of 1012101201 is 1021012101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 503553600 + 508547601 = 22440^2 + 22551^2 .

It is not a de Polignac number, because 1012101201 - 2²⁹ = 475230289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1012101301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578796 + ... + 580541.

It is an arithmetic number, because the mean of its divisors is an integer number (123083051).

Almost surely, 2^1012101201 is an apocalyptic number.

It is an amenable number.

1012101201 is a deficient number, since it is larger than the sum of its proper divisors (464895411).

1012101201 is a wasteful number, since it uses less digits than its factorization.

1012101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159440 (or 1159437 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1012101201 is about 31813.5380144994. The cubic root of 1012101201 is about 1004.0175711728.

Adding to 1012101201 its reverse (1021012101), we get a palindrome (2033113302).

The spelling of 1012101201 in words is "one billion, twelve million, one hundred one thousand, two hundred one".