1301212223100 has 144 divisors (see below), whose sum is σ = 4233556535040. Its totient is φ = 342809265600.

The previous prime is 1301212223099. The next prime is 1301212223107. The reversal of 1301212223100 is 13222121031.

1301212223100 is a `hidden beast` number, since 13 + 0 + 121 + 222 + 310 + 0 = 666.

It is a super-2 number, since 2×1301212223100² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301212223107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2679096 + ... + 3127295.

It is an arithmetic number, because the mean of its divisors is an integer number (29399698160).

Almost surely, 2^{1301212223100} is an apocalyptic number.

1301212223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301212223100 is an abundant number, since it is smaller than the sum of its proper divisors (2932344311940).

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

1301212223100 is a wasteful number, since it uses less digits than its factorization.

1301212223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806497 (or 5806484 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1301212223100 its reverse (13222121031), we get a palindrome (1314434344131).

The spelling of 1301212223100 in words is "one trillion, three hundred one billion, two hundred twelve million, two hundred twenty-three thousand, one hundred".