1210124421202 has 4 divisors (see below), whose sum is σ = 1815186631806. Its totient is φ = 605062210600.

The previous prime is 1210124421167. The next prime is 1210124421203. The reversal of 1210124421202 is 2021244210121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1047754912801 + 162369508401 = 1023599^2 + 402951^2 .

It is a super-2 number, since 2×1210124421202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210124421203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302531105299 + ... + 302531105302.

Almost surely, 2^{1210124421202} is an apocalyptic number.

1210124421202 is a deficient number, since it is larger than the sum of its proper divisors (605062210604).

1210124421202 is an equidigital number, since it uses as much as digits as its factorization.

1210124421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605062210603.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1210124421202 its reverse (2021244210121), we get a palindrome (3231368631323).

The spelling of 1210124421202 in words is "one trillion, two hundred ten billion, one hundred twenty-four million, four hundred twenty-one thousand, two hundred two".