1124212311220 has 48 divisors (see below), whose sum is σ = 2503876491648. Its totient is φ = 423082028160.

The previous prime is 1124212311193. The next prime is 1124212311241. The reversal of 1124212311220 is 221132124211.

It is a super-2 number, since 2×1124212311220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1124212311191 and 1124212311200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20004234 + ... + 20060353.

It is an arithmetic number, because the mean of its divisors is an integer number (52164093576).

Almost surely, 2^{1124212311220} is an apocalyptic number.

1124212311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124212311220 is an abundant number, since it is smaller than the sum of its proper divisors (1379664180428).

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

1124212311220 is a wasteful number, since it uses less digits than its factorization.

1124212311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40064680 (or 40064678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1124212311220 its reverse (221132124211), we get a palindrome (1345344435431).

The spelling of 1124212311220 in words is "one trillion, one hundred twenty-four billion, two hundred twelve million, three hundred eleven thousand, two hundred twenty".