1292887218372 has 48 divisors (see below), whose sum is σ = 3239180606592. Its totient is φ = 399898831360.

The previous prime is 1292887218367. The next prime is 1292887218407. The reversal of 1292887218372 is 2738127882921.

It is a super-2 number, since 2×1292887218372² (a number of 25 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, 44617083 + ... + 44646050.

It is an arithmetic number, because the mean of its divisors is an integer number (67482929304).

Almost surely, 2^{1292887218372} is an apocalyptic number.

1292887218372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1292887218372 is an abundant number, since it is smaller than the sum of its proper divisors (1946293388220).

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

1292887218372 is a wasteful number, since it uses less digits than its factorization.

1292887218372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89263228 (or 89263226 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The spelling of 1292887218372 in words is "one trillion, two hundred ninety-two billion, eight hundred eighty-seven million, two hundred eighteen thousand, three hundred seventy-two".