1201012021300 has 144 divisors (see below), whose sum is σ = 3208715184640. Its totient is φ = 379971440640.

The previous prime is 1201012021291. The next prime is 1201012021301. The reversal of 1201012021300 is 31202101021.

It is a super-2 number, since 2×1201012021300² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201012021301) 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, 28817077 + ... + 28858723.

Almost surely, 2^{1201012021300} is an apocalyptic number.

1201012021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201012021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604357592320).

1201012021300 is an abundant number, since it is smaller than the sum of its proper divisors (2007703163340).

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

1201012021300 is a wasteful number, since it uses less digits than its factorization.

1201012021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44850 (or 44843 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1201012021300 its reverse (31202101021), we get a palindrome (1232214122321).

The spelling of 1201012021300 in words is "one trillion, two hundred one billion, twelve million, twenty-one thousand, three hundred".