1223021013332 has 12 divisors (see below), whose sum is σ = 2140306494816. Its totient is φ = 611504871960.

The previous prime is 1223021013317. The next prime is 1223021013353. The reversal of 1223021013332 is 2333101203221.

It is a junction number, because it is equal to n+sod(n) for n = 1223021013298 and 1223021013307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899894 + ... + 1804397.

It is an arithmetic number, because the mean of its divisors is an integer number (178358874568).

Almost surely, 2^{1223021013332} is an apocalyptic number.

It is an amenable number.

1223021013332 is a deficient number, since it is larger than the sum of its proper divisors (917285481484).

1223021013332 is a wasteful number, since it uses less digits than its factorization.

1223021013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817358 (or 2817356 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1223021013332 its reverse (2333101203221), we get a palindrome (3556122216553).

The spelling of 1223021013332 in words is "one trillion, two hundred twenty-three billion, twenty-one million, thirteen thousand, three hundred thirty-two".