120721303473442 has 32 divisors (see below), whose sum is σ = 208783741479552. Its totient is φ = 51279474242304.

The previous prime is 120721303473437. The next prime is 120721303473451. The reversal of 120721303473442 is 244374303127021.

It is a super-2 number, since 2×120721303473442² (a number of 29 digits) contains 22 as substring.

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, 422309653 + ... + 422595415.

It is an arithmetic number, because the mean of its divisors is an integer number (6524491921236).

Almost surely, 2^{120721303473442} is an apocalyptic number.

120721303473442 is a deficient number, since it is larger than the sum of its proper divisors (88062438006110).

120721303473442 is a wasteful number, since it uses less digits than its factorization.

120721303473442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552922.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 120721303473442 in words is "one hundred twenty trillion, seven hundred twenty-one billion, three hundred three million, four hundred seventy-three thousand, four hundred forty-two".