542120251422412 has 72 divisors (see below), whose sum is σ = 1039354758347472. Its totient is φ = 245955176860800.

The previous prime is 542120251422377. The next prime is 542120251422439. The reversal of 542120251422412 is 214224152021245.

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, 3841185087 + ... + 3841326217.

It is an arithmetic number, because the mean of its divisors is an integer number (14435482754826).

Almost surely, 2^{542120251422412} is an apocalyptic number.

542120251422412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

542120251422412 is a deficient number, since it is larger than the sum of its proper divisors (497234506925060).

542120251422412 is a wasteful number, since it uses less digits than its factorization.

542120251422412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162487 (or 162426 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

The spelling of 542120251422412 in words is "five hundred forty-two trillion, one hundred twenty billion, two hundred fifty-one million, four hundred twenty-two thousand, four hundred twelve".