1742171357212 has 48 divisors (see below), whose sum is σ = 3582995254272. Its totient is φ = 730738457280.

The previous prime is 1742171357159. The next prime is 1742171357263. The reversal of 1742171357212 is 2127531712471.

It is a super-2 number, since 2×1742171357212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 1225393 + ... + 2232919.

It is an arithmetic number, because the mean of its divisors is an integer number (74645734464).

Almost surely, 2^{1742171357212} is an apocalyptic number.

It is an amenable number.

1742171357212 is an abundant number, since it is smaller than the sum of its proper divisors (1840823897060).

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

1742171357212 is a wasteful number, since it uses less digits than its factorization.

1742171357212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010578 (or 1010576 counting only the distinct ones).

The product of its digits is 164640, while the sum is 43.

The spelling of 1742171357212 in words is "one trillion, seven hundred forty-two billion, one hundred seventy-one million, three hundred fifty-seven thousand, two hundred twelve".