2142996211378 has 32 divisors (see below), whose sum is σ = 3637527471360. Its totient is φ = 937937132160.

The previous prime is 2142996211253. The next prime is 2142996211387. The reversal of 2142996211378 is 8731126992412.

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, 4342051 + ... + 4810342.

It is an arithmetic number, because the mean of its divisors is an integer number (113672733480).

Almost surely, 2^{2142996211378} is an apocalyptic number.

2142996211378 is a deficient number, since it is larger than the sum of its proper divisors (1494531259982).

2142996211378 is a wasteful number, since it uses less digits than its factorization.

2142996211378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9152802.

The product of its digits is 2612736, while the sum is 55.

The spelling of 2142996211378 in words is "two trillion, one hundred forty-two billion, nine hundred ninety-six million, two hundred eleven thousand, three hundred seventy-eight".