1023121224412 has 72 divisors (see below), whose sum is σ = 2238214510224. Its totient is φ = 406527948288.

The previous prime is 1023121224373. The next prime is 1023121224439. The reversal of 1023121224412 is 2144221213201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2068243 + ... + 2514730.

It is an arithmetic number, because the mean of its divisors is an integer number (31086312642).

Almost surely, 2^{1023121224412} is an apocalyptic number.

It is an amenable number.

1023121224412 is an abundant number, since it is smaller than the sum of its proper divisors (1215093285812).

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

1023121224412 is a wasteful number, since it uses less digits than its factorization.

1023121224412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583075 (or 4583066 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1023121224412 its reverse (2144221213201), we get a palindrome (3167342437613).

The spelling of 1023121224412 in words is "one trillion, twenty-three billion, one hundred twenty-one million, two hundred twenty-four thousand, four hundred twelve".