1301211012132 has 18 divisors (see below), whose sum is σ = 3289172280758. Its totient is φ = 433737004032.

The previous prime is 1301211012089. The next prime is 1301211012133. The reversal of 1301211012132 is 2312101121031.

1301211012132 is a `hidden beast` number, since 1 + 301 + 211 + 0 + 121 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 698451318756 + 602759693376 = 835734^2 + 776376^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1301211012133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18072375133 + ... + 18072375204.

Almost surely, 2^{1301211012132} is an apocalyptic number.

1301211012132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301211012132 is an abundant number, since it is smaller than the sum of its proper divisors (1987961268626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301211012132 is a wasteful number, since it uses less digits than its factorization.

1301211012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36144750347 (or 36144750342 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1301211012132 its reverse (2312101121031), we get a palindrome (3613312133163).

The spelling of 1301211012132 in words is "one trillion, three hundred one billion, two hundred eleven million, twelve thousand, one hundred thirty-two".