1301203211 has 16 divisors (see below), whose sum is σ = 1623068928. Its totient is φ = 1013431200.

The previous prime is 1301203199. The next prime is 1301203247. The reversal of 1301203211 is 1123021031.

It is a cyclic number.

It is not a de Polignac number, because 1301203211 - 2⁶ = 1301203147 is a prime.

It is a super-4 number, since 4×1301203211⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301202211) 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, 306896 + ... + 311106.

It is an arithmetic number, because the mean of its divisors is an integer number (101441808).

Almost surely, 2^1301203211 is an apocalyptic number.

1301203211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1301203211 is a deficient number, since it is larger than the sum of its proper divisors (321865717).

1301203211 is a wasteful number, since it uses less digits than its factorization.

1301203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1301203211 is about 36072.1944300593. The cubic root of 1301203211 is about 1091.7294910086.

Adding to 1301203211 its reverse (1123021031), we get a palindrome (2424224242).

It can be divided in two parts, 130120 and 3211, that added together give a palindrome (133331).

The spelling of 1301203211 in words is "one billion, three hundred one million, two hundred three thousand, two hundred eleven".