1221442104300 has 72 divisors (see below), whose sum is σ = 3855315452352. Its totient is φ = 296107176000.

The previous prime is 1221442104269. The next prime is 1221442104383. The reversal of 1221442104300 is 34012441221.

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, 185063686 + ... + 185070285.

Almost surely, 2^{1221442104300} is an apocalyptic number.

1221442104300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1221442104300 is an abundant number, since it is smaller than the sum of its proper divisors (2633873348052).

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

1221442104300 is a wasteful number, since it uses less digits than its factorization.

1221442104300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370133999 (or 370133992 counting only the distinct ones).

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

Adding to 1221442104300 its reverse (34012441221), we get a palindrome (1255454545521).

The spelling of 1221442104300 in words is "one trillion, two hundred twenty-one billion, four hundred forty-two million, one hundred four thousand, three hundred".