1210542353990 has 16 divisors (see below), whose sum is σ = 2180327150448. Its totient is φ = 483916738656.

The previous prime is 1210542353989. The next prime is 1210542354011. The reversal of 1210542353990 is 993532450121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37508432 + ... + 37540691.

It is an arithmetic number, because the mean of its divisors is an integer number (136270446903).

Almost surely, 2^{1210542353990} is an apocalyptic number.

1210542353990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210542353990 is a deficient number, since it is larger than the sum of its proper divisors (969784796458).

1210542353990 is a wasteful number, since it uses less digits than its factorization.

1210542353990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75050743.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 1210542353990 in words is "one trillion, two hundred ten billion, five hundred forty-two million, three hundred fifty-three thousand, nine hundred ninety".