1203124213021 has 16 divisors (see below), whose sum is σ = 1232365736448. Its totient is φ = 1174228384000.

The previous prime is 1203124213013. The next prime is 1203124213037.

1203124213021 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1203124213021 - 2³ = 1203124213013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203124212983 and 1203124213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203124213721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55399461 + ... + 55421173.

It is an arithmetic number, because the mean of its divisors is an integer number (77022858528).

Almost surely, 2^{1203124213021} is an apocalyptic number.

It is an amenable number.

1203124213021 is a deficient number, since it is larger than the sum of its proper divisors (29241523427).

1203124213021 is a wasteful number, since it uses less digits than its factorization.

1203124213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29612.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 1203124213021 in words is "one trillion, two hundred three billion, one hundred twenty-four million, two hundred thirteen thousand, twenty-one".