1301131213020 has 72 divisors (see below), whose sum is σ = 4053434015904. Its totient is φ = 337590799488.

The previous prime is 1301131213007. The next prime is 1301131213027. The reversal of 1301131213020 is 203121311031.

1301131213020 is a `hidden beast` number, since 1 + 301 + 1 + 312 + 1 + 30 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1301131212984 and 1301131213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301131213027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97675864 + ... + 97689183.

Almost surely, 2^{1301131213020} is an apocalyptic number.

1301131213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301131213020 is an abundant number, since it is smaller than the sum of its proper divisors (2752302802884).

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

1301131213020 is a wasteful number, since it uses less digits than its factorization.

1301131213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195365099 (or 195365094 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1301131213020 its reverse (203121311031), we get a palindrome (1504252524051).

It can be divided in two parts, 1301131 and 213020, that added together give a palindrome (1514151).

The spelling of 1301131213020 in words is "one trillion, three hundred one billion, one hundred thirty-one million, two hundred thirteen thousand, twenty".