1202123024421 has 8 divisors (see below), whose sum is σ = 1748542581024. Its totient is φ = 728559408720.

The previous prime is 1202123024369. The next prime is 1202123024429. The reversal of 1202123024421 is 1244203212021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1202123024421 - 2¹⁵ = 1202122991653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202123024391 and 1202123024400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202123024429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18213985186 + ... + 18213985251.

It is an arithmetic number, because the mean of its divisors is an integer number (218567822628).

Almost surely, 2^{1202123024421} is an apocalyptic number.

1202123024421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202123024421 is a deficient number, since it is larger than the sum of its proper divisors (546419556603).

1202123024421 is a wasteful number, since it uses less digits than its factorization.

1202123024421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36427970451.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1202123024421 its reverse (1244203212021), we get a palindrome (2446326236442).

The spelling of 1202123024421 in words is "one trillion, two hundred two billion, one hundred twenty-three million, twenty-four thousand, four hundred twenty-one".