1211132131310 has 16 divisors (see below), whose sum is σ = 2181389407776. Its totient is φ = 484152503328.

The previous prime is 1211132131207. The next prime is 1211132131351. The reversal of 1211132131310 is 131312311121.

It is a super-2 number, since 2×1211132131310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37526714 + ... + 37558973.

It is an arithmetic number, because the mean of its divisors is an integer number (136336837986).

Almost surely, 2^{1211132131310} is an apocalyptic number.

1211132131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211132131310 is a deficient number, since it is larger than the sum of its proper divisors (970257276466).

1211132131310 is a wasteful number, since it uses less digits than its factorization.

1211132131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75087307.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1211132131310 its reverse (131312311121), we get a palindrome (1342444442431).

The spelling of 1211132131310 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, one hundred thirty-one thousand, three hundred ten".