1201310021230 has 64 divisors (see below), whose sum is σ = 2364149058048. Its totient is φ = 435875506560.

The previous prime is 1201310021209. The next prime is 1201310021257. The reversal of 1201310021230 is 321200131021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148544247 + ... + 148552333.

It is an arithmetic number, because the mean of its divisors is an integer number (36939829032).

Almost surely, 2^{1201310021230} is an apocalyptic number.

1201310021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201310021230 is a deficient number, since it is larger than the sum of its proper divisors (1162839036818).

1201310021230 is a wasteful number, since it uses less digits than its factorization.

1201310021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1201310021230 its reverse (321200131021), we get a palindrome (1522510152251).

The spelling of 1201310021230 in words is "one trillion, two hundred one billion, three hundred ten million, twenty-one thousand, two hundred thirty".