1214551155142 has 8 divisors (see below), whose sum is σ = 1961967250656. Its totient is φ = 560562071592.

The previous prime is 1214551155137. The next prime is 1214551155157. The reversal of 1214551155142 is 2415511554121.

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

It is a congruent number.

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, 23356752958 + ... + 23356753009.

It is an arithmetic number, because the mean of its divisors is an integer number (245245906332).

Almost surely, 2^{1214551155142} is an apocalyptic number.

1214551155142 is a deficient number, since it is larger than the sum of its proper divisors (747416095514).

1214551155142 is a wasteful number, since it uses less digits than its factorization.

1214551155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46713505982.

The product of its digits is 40000, while the sum is 37.

The spelling of 1214551155142 in words is "one trillion, two hundred fourteen billion, five hundred fifty-one million, one hundred fifty-five thousand, one hundred forty-two".