1221241404034 has 8 divisors (see below), whose sum is σ = 1831896698508. Its totient is φ = 610609171200.

The previous prime is 1221241404017. The next prime is 1221241404109. The reversal of 1221241404034 is 4304041421221.

It can be written as a sum of positive squares in 2 ways, for example, as 1220152206025 + 1089198009 = 1104605^2 + 33003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1221241404034³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1221241403993 and 1221241404011.

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, 5632407 + ... + 5845210.

Almost surely, 2^{1221241404034} is an apocalyptic number.

1221241404034 is a deficient number, since it is larger than the sum of its proper divisors (610655294474).

1221241404034 is a wasteful number, since it uses less digits than its factorization.

1221241404034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530820.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1221241404034 its reverse (4304041421221), we get a palindrome (5525282825255).

The spelling of 1221241404034 in words is "one trillion, two hundred twenty-one billion, two hundred forty-one million, four hundred four thousand, thirty-four".